18-letter words containing a, l, e
- intelligence agent — a person who works for an intelligence agency; a spy
- intensional object — the object of a propositional attitude that may or may not exist, as in Robert is dreaming of the pot of gold at the end of the rainbow. This must be an intensional (or opaque) context, for otherwise, since there is no pot of gold, Robert would be dreaming of nothing
- inter-relationship — reciprocal relation.
- interbroker dealer — a specialist who matches the needs of different market makers and facilitates dealings between them
- intercartilaginous — (anatomy) Within cartilage.
- interchangeability — (of two things) capable of being put or used in the place of each other: interchangeable symbols.
- interdealer broker — an agent who is paid a commission to bring buyers and sellers together
- interdependability — capable of being depended on; worthy of trust; reliable: a dependable employee.
- interface analysis — (testing) A software test which checks the interfaces between program elements for consistency and adherence to predefined rules or axioms.
- interinstitutional — Between institutions.
- interlacing arcade — an arcade, especially a blind one, composed of arches (interlacing arches) so arranged and cut that each arch seems to intersect and be intersected by one or more other arches.
- internal secretion — a secretion, esp a hormone, that is absorbed directly into the blood
- international code — a code used at sea by the navies of certain nations, using a series of flags representing digits from zero through nine.
- international unit — an internationally agreed upon standard, as measured by bioassay, to which samples of a substance, as a drug or hormone, are compared to ascertain their relative potency.
- internationalizing — Present participle of internationalize.
- interrelationships — Plural form of interrelationship.
- interstellar space — astronomy: space between the stars
- invalidity benefit — (formerly, in the British National Insurance scheme) a weekly payment to a person who had been off work through illness for more than six months: replaced by incapacity benefit in 1995
- inverse square law — one of several laws relating two quantities such that one quantity varies inversely as the square of the other, as the law that the illumination produced on a screen by a point source varies inversely as the square of the distance of the screen from the source.
- investment analyst — a specialist in forecasting the prices of stocks and shares
- invisible earnings — earnings from services provided rather than goods
- involuntary muscle — muscle: contracts involuntarily
- iphigenia in aulis — a tragedy (408? b.c.) by Euripides.
- iron (ii) sulphate — an iron salt with a saline taste, usually obtained as greenish crystals of the heptahydrate, which are converted to the white monohydrate above 100°C: used in inks, tanning, water purification, and in the treatment of anaemia. Formula: FeSO4
- irreconcilableness — The quality of being irreconcilable; irreconcilability; incompatibility; incongruity.
- irregular variable — a variable star whose brightness variation is irregular.
- irreproachableness — The quality or state of being irreproachable; integrity; innocence.
- isabella of france — 1292–1358, wife (1308–27) of Edward II of England, whom, aided by her lover, Roger de Mortimer, she deposed; mother of Edward III
- isoamyl salicylate — a colorless, sometimes slightly yellow, synthetic oil, C 12 H 16 O 3 , having an orchidlike odor: used in perfumery.
- isothermal process — a process that takes place without change in temperature.
- israel ben eliezer — (Israel ben Eliezer"Besht") c1700–60, Ukrainian teacher and religious leader: founder of the Hasidic movement of Judaism.
- iverson's language — APL, which went unnamed for many years.
- jack of all trades — a person who is adept at many different kinds of work.
- jack-in-the-pulpit — A North American plant, Arisaema triphyllum, of the arum family, having an upright spadix arched over by a green or striped purplish-brown spathe.
- jack-of-all-trades — a person who is adept at many different kinds of work.
- jacksonville beach — a city in NE Florida.
- jacobite rebellion — the unsuccessful Jacobite rising of 1715 led by James Francis Edward Stuart
- james-lange theory — a theory that emotions are caused by bodily sensations; for example, we are sad because we weep
- jerusalem syndrome — a delusive condition affecting some visitors to Jerusalem in which the sufferer identifies with a major figure from his or her religious background
- jet-enamelled ware — English Worcester porcelain ware of the 18th century, transfer-printed in black.
- johnny-come-lately — a late arrival or participant; newcomer: the Johnny-come-latelies producing space-war films after the trend had ended.
- joint life annuity — an annuity, the payments of which cease at the death of the first of two or more specified persons.
- juan ponce de leon — Juan [hwahn] /ʰwɑn/ (Show IPA), c1460–1521, Spanish explorer.
- kentucky bluegrass — a grass, Poa pratensis, of the Mississippi valley, used for pasturage and lawns.
- killer application — a highly innovative, very powerful, or extremely useful computer application; esp one sufficiently important as to justify purchase of the equipment or software
- king of the castle — most powerful figure
- king's regulations — (in Britain and the Commonwealth when the sovereign is male) the code of conduct for members of the armed forces that deals with discipline, aspects of military law, etc
- king-of-the-salmon — a ribbonfish, Trachypterus altivelis, of northern parts of the Pacific Ocean.
- kirtland's warbler — a wood warbler, Dendroica kirtlandii, breeding only in north-central Michigan and wintering in the Bahamas, bluish gray above, striped with black and pale yellow below: an endangered species.
- knotted cranesbill — a British wildflower, Geranium nodosum, an meadow geranium with bright pink or purple flowers