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I
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| Word | Definition |
| iamatology | study of remedies |
| iambic | consisting of iambuses; employing iambuses |
| iambize | to satirize or lampoon; to ridicule in iambic verse |
| iambographer | one who writes iambic verses |
| iambus | poetic foot consisting of short then a long syllable |
| ianthine | violet-coloured |
| iatraliptic | relating to the curing of diseases by means of unguents |
| iatramelia | medical negligence |
| iatrarchy | government by physicians |
| iatrochemistry | application of chemistry to medical theory |
| iatrogenic | induced inadvertently by medical treatment |
| iatrology | treatise or text on medical topics; study of medicine |
| iatromathematics | archaic practice of medicine in conjunction with astrology |
| iatrophobia | fear of going to the doctor |
| iberis | low-growing flowering shrubby herb |
| ibex | wild mountain goat with recurved horns |
| ibidem | in the same place |
| ibidine | pertaining to the ibis |
| ibis | large stork-like bird; a pale apricot colour |
| icaco | small fruit-bearing tropical tree |
| iceblink | glare in the sky caused by light reflected off ice |
| iceland | any land of perpetual ice |
| ichneumon | small mongoose-like carnivorous quadruped |
| ichneumous | parasitical |
| ichneutic | of, like or pertaining to a tracker or tracking |
| ichnite | fossilized footprint |
| ichnogram | footprint |
| ichnography | art of drawing ground plans; a ground plan |
| ichnology | science of fossilized footprints |
| ichnomancy | divination using footprints |
| ichorescent | becoming ichorous |
| ichthyic | of, resembling or pertaining to fish |
| ichthyoacanthotoxism | poisoning from the sting or bite of a fish |
| ichthyocoprolite | fossilized fish poop |
| ichthyography | writing or description of fishes |
| ichthyoid | fishlike |
| ichthyolatry | the worship of fish |
| ichthyology | study of fish |
| ichthyomancy | divination by inspecting fish entrails |
| ichthyomorphic | shaped like a fish |
| ichthyonomy | classification of fishes |
| ichthyophagous | fish-eating |
| ichthyophile | one who loves fish or fishes |
| ichthyopolist | fish seller |
| ichthyotoxism | poisoning from fish venom |
| ichthytaxidermy | fish taxidermy |
| ichu | Andean alpine grass |
| ickle | little |
| iconism | imagery; metaphor |
| iconoclasm | attacking of established beliefs |
| iconoduly | veneration of icons or images |
| iconography | study of drawing symbols |
| iconolagny | sexual stimulation from pictures or statues |
| iconolatry | image-worship |
| iconology | study of icons; symbols |
| iconomachy | opposition to the worship of images or icons |
| iconomancy | divination using icons |
| iconomania | obsession with icons or portraits |
| iconomatic | using pictures to represent sounds of words; rebus-writing |
| iconometer | instrument for finding size of object by measuring its image |
| iconophilism | a taste for pictures and symbols |
| iconophobia | fear or hatred of images |
| iconoplast | one who makes images or icons |
| iconoscope | old kind of television camera tube |
| iconostasis | screen or partition in Eastern churches with tiers of icons |
| iconotropy | misinterpretation by one group of the mythic imagery of another group |
| icosahedron | solid with twenty plane faces |
| icterical | of, like or pertaining to or suffering from jaundice |
| icterine | of, like or pertaining to orioles and related birds |
| icterine | yellowish or marked with yellow |
| icteritious | jaundiced; yellow |
| icterogenic | causing jaundice |
| icteroid | resembling jaundice |
| ictic | of, pertaining to, or caused by, a blow or stroke; pertaining to metrical stress |
| ictuate | to emphasize; to put metrical stress on |
| ictus | stress in poetry or verse |
| idealism | doctrine that reality is ultimately mental |
| idempotent | quantity which does not change when squared |
| ideogenous | being of mental origin |
| ideogeny | study of origins of ideas |
| ideogram | symbol that stands for a concept rather than a word |
| ideography | writing using signs representing ideas rather than sounds |
| ideophone | word that is spoken but not written |
| ideopraxist | one who is impelled to carry out an idea |
| idiochromatic | having unique or distinctive coloration |
| idiocrasis | intrinsic peculiarity or unique feature |
| idioglossia | private language developed between children |
| idiograph | private mark; trademark |
| idiography | study or description of individual events or facts rather than patterns |
| idiolect | distinctive individual form of speech |
| idiologism | personal speech peculiarity |
| idiomology | study of idiom, jargon or dialect |
| idiomorphic | having a unique or distinct form |
| idiopathic | disease particular to an individual |
| idiophone | percussion instrument made of naturally resonant material |
| idiorhythmic | self-regulating |
| idiothermous | warm-blooded |
| idioticon | vocabulary of a particular district |
| idolomancy | divination using idols |
| idolomania | obsession or devotion to idols |
| idolothyte | sacrifice presented to an idol |
| idolum | mental image; logical fallacy |
| idoneous | suitable; appropriate |
| ifsoever | if ever |
| ignavia | laziness; laxity |
| ignescent | capable of emitting sparks; of a volatile mood |
| ignicolist | fire-worshipper |
| ignify | to burn |
| ignipotent | presiding over fire |
| ignivomous | vomiting or spewing forth fire |
| ignoscency | forgiveness |
| ignotism | mistake due to ignorance |
| iguana | large tropical New World lizard |
| iiwi | bright red Hawaiian bird |
| ilastical | propitiatory; expiatory |
| iliac | of, like or pertaining to the loins |
| ilicic | of, like or pertaining to holly |
| ilke | kind or nature |
| illapse | to glide in |
| illaqueate | to ensnare |
| illation | the act of inferring from premises |
| illative | indicating movement into or toward |
| illaudable | not praiseworthy |
| illecebrous | enticing; attractive |
| illeist | one who refers to oneself in the third person |
| illimitable | limitlessly infinite |
| illinition | act of rubbing against or on |
| illiquation | the melting of one thing into another |
| illision | the act of striking against something |
| illocution | an act which is performed by speaking words |
| illude | to trick |
| illuminism | belief in an inward spiritual light |
| illusionism | belief that the external world is philosophy |
| illutation | mud bath |
| illuvium | material dissolved in water and deposited in layers |
| imagism | doctrine of use of precise images with unrestricted subject |
| imago | idealized mental image of a person |
| imbibition | the absorption of a liquid by a solid or gel |
| imbreviate | to enroll |
| imbricate | to lay overlapping one another |
| imbroglio | confusing or disturbing situation; confused mass or heap |
| imbrue | to wet or moisten |
| imbrute | to degrade to the state of a brute |
| imburse | to put in a purse; to pay |
| immanation | flowing in |
| immanent | inherent; permanently pervading the universe |
| immanentism | belief in an immanent or permanent god |
| immarcescible | unfading; imperishable |
| immaterialism | the doctrine that there is no material substance |
| immeability | state of being impassable or impermeable |
| immerge | to immerse; to dip into water |
| immeritous | undeserving |
| imminution | lessening; decreasing |
| immiseration | progressive impoverishment or degradation |
| immission | insertion; infusion |
| immix | to commingle |
| immoralism | rejection of morality |
| immortelle | everlasting dried flower |
| immunifacient | causing immunity |
| immunogenetics | study of genetic characteristics of immunity |
| immunogenic | producing an immune response |
| immunopathology | study of immunity to disease |
| immure | to imprison; to shut in |
| impacable | not able to be quieted or appeased |
| impanate | embodied in bread |
| imparidigitate | having an odd number of fingers on each limb |
| imparlance | delay in pleading for amicable adjustment |
| impaste | to lay paint or colours thickly on |
| impavid | fearless; undaunted |
| impecunious | without money; penniless |
| impedimenta | things that impede; baggage |
| impedimentary | hindering; obstructing |
| impennate | featherless; wingless |
| imperscriptible | not recorded; unwritten |
| imperseverant | lacking the power to perceive |
| impest | to infest with plague or pestilence |
| impetrate | to obtain by entreaty, request or prayer |
| impignorate | to pledge, pawn or mortgage |
| impleach | to intertwine |
| impletion | filling; fullness; fulfilment |
| implex | not simple; involved; complicated |
| implodent | an implosive sound |
| implumous | without feathers |
| imponent | that which imposes an obligation |
| importune | to press or urge with repeated requests |
| impostume | abscess |
| imprecate | to call down by prayer; to curse; to invoke evil on |
| imprescriptible | inalienable |
| imprest | a loan or advance of money |
| imprimatur | licence to print a book |
| imprimis | in the first place |
| imprimitive | not primitive |
| impropriate | to appropriate for private use |
| improvident | lacking foresight; thoughtless |
| impudicity | shamelessness |
| impugn | to oppose; to attack by words or arguments |
| imputation | attribution of fault to |
| imsonic | onomatopoetic |
| inaniloquent | prone to foolish or empty babbling |
| inanition | emptiness; starvation |
| inappetent | lacking desire or appetite |
| inapt | unfit or unqualified |
| inaurate | gilded; golden |
| inbeing | inherence; inherent existence |
| inboard | inside the line of a ship's bulwarks or hull |
| incalescent | growing warm |
| incanous | covered with soft white hair |
| incardination | acceptance by a diocese of clergyman from another diocese |
| incarnadine | carnation-coloured; blood-red |
| incatenation | harnessing; chaining together |
| incede | to advance majestically |
| incendivity | the power of causing ignition |
| incentivize | to be given an incentive |
| incept | to take into the body; ingest |
| inceptive | marking the beginning or formation |
| inchoate | undeveloped; just begun |
| incipient | beginning; in an early stage |
| incivism | neglect of duty as a citizen |
| inclinometer | instrument for measuring inclination to the horizontal of an axis |
| incommiscible | unable to be mixed or intermingled |
| incommode | to cause trouble or inconvenience to |
| incommutable | that cannot be commuted or exchanged |
| incompossible | incapable of coexisting |
| inconcinnity | lack of congruousness or proportion |
| incondite | not well put together; poorly constructed |
| inconscient | unconscious; abstracted |
| incontrair | in opposition to |
| incoronate | crowned |
| incorpse | to incorporate |
| incrassate | to thicken |
| increscent | waxing |
| incubus | nightmare; burden |
| inculcate | implant in by persistent urging |
| inculpate | to blame; to incriminate |
| incult | uncultivated; coarse |
| incunabulist | one who collects early books |
| incunabulum | early printed book; early version of a thing |
| incuse | impressed or stamped upon |
| indagate | to search out; to investigate |
| indehiscent | not opening when mature |
| indicia | indicating marks or symptoms |
| indifferentism | the belief that all religions are equally valid |
| indigence | poverty; state of being needy |
| indign | unworthy; disgraceful; unseemly |
| indigo | deep blue-violet colour; a blue-violet dye |
| indiscerptible | not able to be separated |
| indite | to compose |
| individualism | belief that individual interests and rights are paramount |
| indoles | inherent disposition |
| induciae | peace treaty or armistice |
| inductivism | belief in the superiority of induction over deduction |
| indue | to supply; to endow |
| indulgence | former Catholic pardon granted for remission of punishment for sins |
| indult | special temporary dispensation granted by the Catholic church |
| indumentum | total body covering of hair, fur or feathers |
| indurate | to make hard, callous or unfeeling |
| induviae | withered leaves which persist on plants |
| indwell | to exist within as a guiding force |
| ineloquence | unappealing speech |
| ineluctable | against which it is useless to struggle |
| inescatory | of, like or pertaining to baiting; adapted to bait |
| inesculent | inedible |
| inessive | indicating location within |
| ineunt | entering |
| inexpiable | that which cannot be expiated or atoned for |
| inexpugnable | not able to be attacked or captured |
| infandous | unmentionable |
| infantocracy | government by an infant |
| infarction | tissue dying due to lack of blood flow |
| infaust | unlucky; ill-omened |
| infelicitous | inappropriate in application or expression |
| inferiae | offerings to the spirits of the dead |
| inficete | not facetious; rudely jesting |
| infinitism | belief that God or the universe are infinite |
| inflorescence | process of producing flowers; flowering |
| infomania | excessive devotion to accumulating facts |
| infra | below; later in a text |
| infrangible | not able to be broken or violated |
| infructuous | not fruitful |
| infumate | smoky; blackened |
| infundibuliform | having the form or shape of a funnel or cone |
| infuscate | clouded or tinged with brown; obscured; cloudy brown colour |
| ingannation | deception |
| ingate | inlet for molten metal in founding |
| ingeminate | to reiterate; to redouble |
| ingerence | intrusion; interference |
| ingle | a fire in a room; a fireplace |
| inglenook | alcove by a large open fire |
| ingluvies | a crop or craw of birds |
| ingluvious | gluttonous |
| ingravescent | becoming more severe |
| ingression | pronounced with inhalation rather than exhalation |
| inguinal | of, like or pertaining to the groin |
| ingurgitate | to swallow; to guzzle |
| inhaust | to drink in |
| inhere | be inherent |
| inhumation | burial; act of depositing in the ground |
| inhumist | referring to a society that burns its dead |
| inimical | hostile; harmful |
| iniquity | wickedness; gross injustice |
| inkhorn | portable case for ink |
| inkhornism | pedantic word or expression |
| inlagation | pardoning of an outlaw |
| inlapidate | to petrify |
| inly | inwardly; thoroughly |
| innitency | state of leaning or resting upon something |
| innominate | having no name |
| innoxious | harmless |
| inoperculate | without an operculum or lid |
| inopinate | not thought of; unexpected |
| inorthography | incorrect spelling |
| inosculate | to join together with ducts or openings; to blend or combine |
| inquiline | living with another; dwelling in another creature's lair |
| inquinate | to corrupt or defile |
| inquirendo | authority to inquire into something |
| inquisiturient | eager to act as an inquisitor |
| inquorate | not making up a quorum |
| inscenation | staging; setting |
| inscient | having little or no knowledge |
| insculp | to engrave, to cut or carve from something |
| insectifuge | insect repellent |
| insectivorous | eating insects |
| insectology | study of insects |
| insessorial | adapted for perching |
| insidiate | to conspire against; to betray |
| insipience | lack of wisdom; stupidity |
| insolate | to treat by exposure to the sun's rays |
| insouciance | indifference; apathy |
| insouciant | lighthearted and unconcerned |
| inspan | to bring or force into service |
| inspissate | to thicken or condense |
| instanter | at once |
| instauration | restoration; renewal |
| institorial | of, like or pertaining to an agent or factor |
| instructive | indicating means whereby |
| instrumental | indicating means by which |
| instrumentalism | doctrine that ideas are instruments of action |
| insufflate | to disseminate by blowing; to breathe upon |
| insulse | lacking wit; dull; stupid; insipid |
| intaglio | a figure engraved into a gem or another substance |
| integument | an external covering or coating |
| intellection | act of thinking; exercise of the intellect |
| intellectualism | belief that all knowledge is derived from reason |
| intemerate | pure; undefiled |
| intempestive | unseasonable; untimely; inopportune |
| intenerate | to make tender; to soften |
| intenible | not capable of holding or retaining |
| interactionism | belief that mind and body act on each other |
| interamnian | between two rivers |
| intercalary | interpolated; inserted between other things |
| intercalation | interpolation; insertion between others |
| interciliary | between the eyebrows |
| intercipient | intercepting |
| interclude | to block; to enclose; to cut off |
| intercolline | lying between hills |
| intercostal | between the ribs |
| intercrural | within or pertaining to the area between the legs |
| interdigitate | to interlock in the manner of locked fingers |
| interdine | to eat together |
| interfenestration | spacing of windows |
| interferometer | instrument for analysing spectra of light |
| interfluve | area between two rivers that flow in the same direction |
| intergrade | to merge or shade by means of intermediate steps |
| interim | meanwhile |
| interjacent | intervening; situated between two things |
| interjaculate | to ejaculate in interruption |
| interlaminate | to insert between layers |
| interlocutor | one who converses; interpreter; participant in conversation |
| interlucation | thinning of a forest to let some light in |
| interlunation | dark time between old moon and new |
| intermure | to wall in |
| internecine | causing (mutual) destruction |
| internuncio | messenger between two parties; low-ranking papal legate |
| interosculant | possessing attributes common to different groups |
| interpellation | question raised during the course of debate |
| interpilaster | space between two pilasters |
| interpunct | point or dot between words in•place•of•spaces |
| interpunction | insertion of punctuation marks in writing |
| interramification | interweaving of branches |
| interrex | one who rules during an interregnum; regent |
| interrobang | combination of exclamation point and question mark |
| interscribe | to write between |
| intersidereal | between stars |
| interstitial | of, like or pertaining to the space between things |
| intertesselation | complex interrelationship |
| intertie | short timber binding together upright posts |
| intertrigo | skin rash due to friction of two moist surfaces |
| intervallum | between the ramparts |
| intervolve | to roll up or entwine with one another |
| intinction | administering communion by dipping bread into wine |
| intitule | to endow or furnish with a title |
| intorted | twisted inwards; involved |
| intrados | undersurface of an arch or vault |
| intrant | entering; penetrating |
| introessive | indicating motion into |
| introit | psalm or hymn sung at beginning of church service |
| intromit | to introduce; to admit; to insert |
| introrse | turned or facing inward |
| introspectionism | doctrine that knowledge of mind must derive from introspection |
| intuitionism | belief that the perception of truth is by intuition |
| intumesce | to enlarge; to swell; to bubble |
| intussusception | movement of one part of a thing into another |
| inumbrate | to cast a shadow upon; to shade |
| inunction | anointing, smearing or rubbing with ointment |
| inurbanity | lack of manners or deportment; incivility |
| inusitation | disuse; disrepair |
| inustion | burning in; cauterization |
| invaginate | to sheathe; to draw in; to enfold |
| inveigh | to make an attack in speech or writing |
| inveigle | to entice; to wheedle |
| invenit | invented it |
| inverecund | shameless; unabashed |
| inveterate | long-established; confirmed |
| invictive | insurmountable; undefeatable |
| invidious | likely to excite indignation against the performer |
| invination | presence of Christ's blood in sanctified wine |
| inviscate | to entrap with sticky material |
| invitatory | psalm or anthem sung before prayer during church service |
| invultuation | the making of an image for use in witchcraft |
| inwith | inside |
| ionophone | loudspeaker that uses vibrations of ionized air to amplify sound |
| ionosonde | device for recording information about the ionosphere using echoes |
| iopterous | having violet-coloured wings |
| iotacism | excessive use of the letter 'i' |
| iotize | to add the letter 'i' before another letter |
| ipecac | an emetic root-plant |
| ipecacuanhic | of or relating to ipecac |
| ipiti | a small antelope |
| ipseand | old name for the ampersand |
| ipseity | selfhood; state of being oneself |
| ipsilateral | occurring on the same side of the body |
| iracund | inclined to become angry |
| iracundulous | somewhat inclined to become angry |
| irascent | becoming enraged or angry |
| ireless | without anger or ire |
| irenarch | ancient Roman and Byzantine keeper of the peace |
| irenic | conducive to or working towards peace |
| irenicon | proposal to promote peace between rival churches |
| irenology | the study of peace |
| irian | belonging to the iris of the eye |
| iridaceous | of, like, or pertaining to iris plants |
| iridal | of or pertaining to the rainbow |
| iridian | having or suggestive of the colours of a rainbow |
| iridic | of, like or pertaining to the iris of the eye |
| iridine | rainbow-like |
| iridize | to make iridescent |
| iridology | study of the iris; diagnosis of disease based on the iris of the eye |
| irisate | to render iridescent |
| iriscope | instrument for exhibiting the prismatic colours |
| iroko | West African hardwood tree |
| ironice | ironically |
| ironism | practice of using irony |
| ironless | not possessing iron |
| ironmaster | head of an ironworks |
| ironwort | herb reputed to be effective in treating sword wounds |
| irradiant | emitting rays of light |
| irradicate | to fix firmly |
| irrased | in heraldry, indented |
| irrecusable | that cannot be rejected |
| irredenta | territory related ethnically to one state but subject to another |
| irredentism | advocating restoration of territory to a nation |
| irredivivous | unable to be revived |
| irreflex | not turned back; not turned aside |
| irrefragable | that cannot be refuted; unanswerable |
| irrefrangible | incapable of refraction |
| irregenerate | not regenerate; unregenerate |
| irrelate | unrelated |
| irreligion | hostility to religious principles; lack of religion |
| irreligionism | system of belief that is hostile to religions |
| irremeable | which cannot be returned; irrevocable |
| irremissible | that cannot be forgiven; unpardonable |
| irremoval | absence of removal |
| irreplevisable | in law, that cannot be restored to its rightful owner |
| irreposcible | unable to be demanded back |
| irreption | stealthy entrance; a subtle or creeping entry into |
| irreptitious | having crept into a text |
| irrequisite | unnecessary |
| irresiant | having no residence; not resident |
| irrespectuose | disrespectful |
| irresultive | having no result |
| irretiate | to ensnare; to trap in a net |
| irrevincible | invincible; incontrovertible |
| irriguous | watered; wet; irrigating |
| irrisible | worthy of derision |
| irrision | the act of laughing at another |
| irrisory | mocking; derisive |
| irrite | void |
| irroborate | to strengthen |
| irroration | watering a plant with discharge of a sick person |
| irruent | running hastily; rushing |
| irrumpent | bursting or breaking in |
| irruption | breaking or bursting in |
| isabelline | greyish yellow |
| isabnormal | line connecting points of equal deviation from mean temperature |
| isacoustic | line connecting points of equal acoustic quality |
| isagoge | academic introduction to a subject |
| isagogic | introductory |
| isallobar | line connecting points of equal change in barometric pressure |
| isallotherm | line connecting points of equal temperature variation in a period |
| isanemone | line connecting points on map having same wind velocity |
| isanther | line connecting points where flowers bloom at the same time of year |
| isapostolic | equal to or contemporary with the apostles |
| isatis | Arctic fox |
| ischaemia | lack of blood in a part of the body due to an obstruction |
| ischiatic | of or pertaining to the ischium or hip |
| ischiorrhogic | of an iambic line, having spondees in the second, fourth or sixth place |
| ischuretic | diuretic |
| ischuria | retention of urine |
| iseidomal | line connecting points of equal visibility of a spectacle |
| isentropic | line connecting points of equal entropy |
| ishan | prehistoric Iraqi mound |
| ishies | hip-joints |
| ising | meat sausage |
| isinglass | firm semitransparent substance used to make jellies |
| islandic | of or pertaining to an island |
| islesman | inhabitant of a group of islands |
| islomania | craze or obsession for islands |
| ismatic | addicted to “isms” or faddish theories |
| isness | the fact of being; essence |
| isobar | line connecting points of same atmospheric pressure |
| isobase | line connecting points of equal land upheaval |
| isobath | line connecting points of equal underwater depth |
| isobathytherm | line connecting points of equal temperature and depth underground |
| isobront | line connecting points of simultaneous storm development |
| isocephaly | arrangement of figures in art so that their heads are at the same height |
| isochar | line connecting points of similar distinguishing characteristics of plant life |
| isochasm | line connecting points of equal frequency of aurorae |
| isocheim | line connecting points of same average winter temperature |
| isochlor | line connecting points of equal chlorine concentration |
| isochor | line connecting points of varying conditions under constant volume |
| isochrone | line connecting points of equal time difference or simultaneous occurrence |
| isochronous | having the same duration; recurring at equal intervals |
| isochroous | having a uniform colour |
| isoclinal | line connecting points of same magnetic dip |
| isocost | line connecting points of equal cost |
| isocracy | equal political power |
| isocryme | line connecting points of equal winter temperature |
| isodiabatic | having equal transmission of heat |
| isodose | line connecting points that receive equal doses of radiation |
| isodynamic | line connecting points of equal magnetic intensity |
| isoflor | line connecting points of equal number of plant species |
| isogam | line connecting points of equal acceleration due to gravity |
| isogen | line connecting points of equal birthrates |
| isogeny | sameness or similarity of origin |
| isogeotherm | line connecting points of equal subterranean temperature |
| isogloss | line connecting points of similar regional dialect |
| isoglossal | having similar speech patterns or language |
| isogonal | having equal angles |
| isogonal | line connecting points of equal magnetic declination |
| isograd | line connecting points of similar conditions during geological metamorphism |
| isogram | line connecting points on a map having some similar feature |
| isograph | line connecting points of same linguistic usage in some respect |
| isography | imitation of handwriting |
| isohaline | line connecting points of equal salinity |
| isohalsine | line connecting points of equal ocean salinity |
| isohel | line connecting points of equal sunlight |
| isohyet | line connecting points of equal rainfall |
| isokeraunic | line connecting points of equal occurrence of thunderstorms |
| isolex | line connecting points of same vocabulary usage |
| isoline | line connecting points on a map having some similar feature |
| isomagnetic | line connecting points of equal magnetic induction |
| isometric | line connecting points of equal variations of pressure |
| isomorph | line connecting points of same linguistic morphological forms |
| isonephelic | line connecting points of equal cloud cover |
| isonomy | equal law; rights or privileges |
| isonym | word having the same derivation or form as another |
| isopach | line connecting points of equal thickness of geological strata |
| isophene | line connecting points of the same phenotype or seasonal variation |
| isophote | line connecting points of equal light intensity from a given source |
| isopiestic | line connecting points of equal pressure but varying temperature and volume |
| isopiptesis | line connecting points of same arrival date of migratory species |
| isopleth | line connecting points of equal aspect of climate |
| isopolity | reciprocity of rights of citizenship in two communities |
| isopor | line connecting points of equal annual change in magnetic field |
| isoprofit | line connecting points of equal profit |
| isopsephic | equal in number |
| isopycnic | line connecting points of equal density |
| isoquant | line connecting points of equal output |
| isorithm | line connecting points of equal population density |
| isorropic | of equal value |
| isoseismal | line connecting points of same earthquake intensity |
| isostasy | condition of equilibrium in the earth's crust |
| isostere | line connecting points of equal specific volume of a substance |
| isotac | line joining points where the ice melts at the same time of year |
| isotach | line connecting points of the same wind speed |
| isothere | line connecting points of equal summer temperature |
| isotherm | line connecting points of equal temperature |
| isothermobath | line connecting points of equal temperature at a given ocean depth |
| isotherombrose | line connecting points of equal ratio of summer rainfall to annual rainfall |
| isotropic | having the same properties in every direction |
| isovol | line connecting points of equal ratio of fixed to volatile carbon in coal |
| issles | sparks; embers |
| issuant | issuing from; in heraldry, emerging from the bottom of a chief |
| ist | one who holds to an 'ism' |
| isthmian | living on or situated on an isthmus |
| isthmoid | resembling an isthmus |
| istle | coarse tough Central American fibre used to make cords and nets |
| itacism | pronunciation of the Greek letter eta as 'ee' |
| itai-itai | disease caused by cadmium poisoning and resulting in back pain |
| Italiot | person of Greek descent dwelling in ancient Italy |
| Italomania | obsession with Italy or Italians |
| item | likewise; also |
| iter | circuit; path; road or line of travel |
| iterant | repeating; echoing |
| iteration | repetition |
| iterum | again; afresh; anew |
| ithomiid | tropical South American butterfly |
| ithyphallic | indecent; immoral |
| itinerarian | traveller |
| itinerarily | in the course of wandering |
| ition | the action of going |
| itis | bodily condition or disease |
| iulan | of the first growth of the beard |
| iulus | millipede |
| ivi | Tahitian chestnut tree |
| ivoride | imitation ivory |
| ivorine | white and smooth like ivory |
| ivorist | one who carves ivory professionally |
| ivresse | drunkenness |
| iwis | surely; certainly |
| ixia | South African beautiful flowering plant |
| ixiodic | of, like or pertaining to ticks |
| ixora | tropical evergreen shrub with white flowers |
| izard | goatlike antelope found in the Pyrenees |
| izzard | archaic name for the letter Z |
| izzat | public esteem; honour |
I hope you have found this site to be useful. If you have any corrections, additions, or comments, please contact me. Please note that I am not able to respond to all requests. Please consult a major dictionary before e-mailing your query. All material on this page © 1996-2021 Stephen Chrisomalis. Links to this page may be made without permission.