Dictionary [I]

Word	Definition
iamatology	study of remedies
iamb	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
iatromathematics	archaic practice of medicine in conjunction with astrology
iatrophobia	fear of going to the doctor
ibidem	in the same place
iceblink	glare in the sky caused by light reflected off ice
ichneumous	parasitical
ichneutic	of, like or pertaining to a tracker or tracking
ichnite	fossilized footprint
ichnogram	footprint
ichnography	art of drawing ground plans
ichnology	science of fossilized footprints
ichnomancy	divination using footprints
ichthyic	of, resembling or pertaining to fish
ichthyoid	fishlike
ichthyolatry	the worship of fish
ichthyology	study of fish
ichthyomancy	divination by inspecting fish entrails
ichthyomorphic	shaped like a fish
ichthyophagous	fish-eating
ichthyopolist	fish seller
iconoclasm	attacking of established beliefs
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
iconometer	instrument for finding size of object by measuring its image
iconophilism	a taste for pictures and symbols
iconoplast	one who makes images or icons
iconostasis	screen or partition in Eastern churches with tiers of icons
icterical	of, like or pertaining to or suffering from jaundice
icterine	yellowish or marked with yellow
icterine	of, like or pertaining to orioles and related birds
icteritious	jaundiced; yellow
ictus	stress in poetry or verse
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
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
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
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
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
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
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
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
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
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
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
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
interpunction	insertion of punctuation marks in writing
interramification	interweaving of branches
interrex	one who rules during an interregnum; regent
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
ipseity	selfhood; state of being oneself
iracund	inclined to become angry
iracundulous	somewhat inclined to become angry
irascent	becoming enraged or angry
irenic	conducive to or working towards peace
irenology	the study of peace
iridian	having or suggestive of the colours of a rainbow
iridic	of, like or pertaining to the iris of the eye
iridize	to make iridescent
iridology	study of iris
iriscope	instrument for exhibiting the prismatic colours
irradicate	to fix firmly
irrecusable	that cannot be rejected
irredentism	advocating restoration of territory to a nation
irrefragable	that cannot be refuted; unanswerable
irrefrangible	incapable of refraction
irremeable	which cannot be returned; irrevocable
irriguous	watered; wet; irrigating
irrision	the act of laughing at another
irrisory	mocking; derisive
irroration	watering a plant with discharge of a sick person
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
isanemone	line connecting points on map having same wind velocity
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
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	line connecting points of equal magnetic declination
isogonal	having equal angles
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
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
isopsephic	equal in number
isopycnic	line connecting points of equal density
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

Posted in: English Dictionary