18-letter words containing r, e, l, i
- 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.
- interior monologue — Literature. a form of stream-of-consciousness writing that represents the inner thoughts of a character.
- 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.
- internet telephony — IP Telephony
- interrelationships — Plural form of interrelationship.
- interstellar space — astronomy: space between the stars
- 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.
- invisible earnings — earnings from services provided rather than goods
- involuntary muscle — muscle: contracts involuntarily
- 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.
- irresponsibilities — said, done, or characterized by a lack of a sense of responsibility: His refusal to work shows him to be completely irresponsible.
- 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
- isidore of seville — Saint (Isidorus Hispalensis) a.d. c570–636, Spanish archbishop, historian, and encyclopedist.
- 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.
- jacobite rebellion — the unsuccessful Jacobite rising of 1715 led by James Francis Edward Stuart
- jewel in the crown — the most valuable, esteemed, or successful person or thing of a number
- junior lightweight — a boxer weighing up to 130 pounds (58.5 kg), between featherweight and lightweight.
- kerry blue terrier — one of an Irish breed of terriers having a soft, wavy, bluish-gray coat.
- 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'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
- 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
- labeled bracketing — a representation of the constituent structure of a string, as a word or sentence, comparable to a tree diagram, in which each constituent is shown in brackets and given a subscript grammatical label, with each bracketed item corresponding to a node in a tree diagram.
- labrador retriever — one of a breed of retrievers having a short, thick, oily, solid black or yellow coat, raised originally in Newfoundland.
- lactogenic hormone — prolactin.
- lactose intolerant — cannot digest milk
- lake pontchartrain — a shallow lagoon in SE Louisiana, linked with the Gulf of Mexico by a narrow channel, the Rigolets: resort and fishing centre. Area: 1620 sq km (625 sq miles)
- language universal — a trait or property of language that exists, or has the potential to exist, in all languages.
- laning and zierler — (language) Possibly the first true working algebraic compiler. Written by J.H. Laning Jr and N. Zierler in 1953-1954 to run on MIT's Whirlwind computer.
- lateral resistance — resistance to sidewise motion caused by wind pressure, supplied by the immersed portion of a hull of a vessel.
- laugh like a drain — to laugh loudly and coarsely
- launching ceremony — a ceremony that celebrates the launch of a ship for the first time into the water
- laurentian plateau — (in Canada) the wide area of Precambrian rock extending west from the Labrador coast to the basin of the Mackenzie and north from the Great Lakes to Hudson Bay and the Arctic: rich in minerals
- law of segregation — the principle, originated by Gregor Mendel, stating that during the production of gametes the two copies of each hereditary factor segregate so that offspring acquire one factor from each parent.
- lawrence of arabia — D(avid) H(erbert) 1885–1930, English novelist.
- lean manufacturing — efficiency in the production of goods
- learned profession — any of the three vocations of theology, law, and medicine, commonly held to require highly advanced learning. Compare profession (def 1).
- leave in the lurch — a situation at the close of various games in which the loser scores nothing or is far behind the opponent.
- legislative branch — the branch of government having the power to make laws; the legislature.
- lenticular process — a method for producing images with a three-dimensional effect by photographing on lenticulated film.