18-letter words containing r, e, a, l, n
- informatory double — a double intended to inform one's partner that one has a strong hand and to urge a bid regardless of the strength of his or her hand.
- inquisitor-general — the head of the Spanish court of Inquisition
- instrument landing — an aircraft landing accomplished by use of gauges on the instrument panel and ground-based radio equipment, with limited reference to outside visual signals.
- insurable interest — a financial or other interest in the life or property covered by an insurance contract, without which the contract cannot be enforced
- insurance salesman — male: sells insurance
- 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
- 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.
- 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
- 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
- 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.
- 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'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.
- lactogenic hormone — prolactin.
- lactose intolerant — cannot digest milk
- lagrange's theorem — the theorem that the order of each subgroup of a finite group is a factor of the order of the group.
- 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)
- lambeth conference — a convention of the bishops of the Anglican communion, held about every 10 years at Lambeth Palace to confer but not to define doctrine or to legislate on ecclesiastical matters.
- land grant college — a state university established with a grant of public land
- land-grant college — a U.S. college or university (land-grant university) entitled to support from the federal government under the provisions of the Morrill Acts.
- landscape gardener — sb who designs gardens
- 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.