19-letter words containing a, t, r, i, l
- internal resistance — the resistance within a battery, or other voltage source, that causes a drop in the source voltage when there is a current.
- internal translator — (language, mathematics) (IT) An early compiler for mathematics developed by A.J. Perlis et al at Carnegie Tech ca 1957. IT was originally written for the Burroughs 205, then the IBM 650. IT was the forerunner of RUNCIBLE, GATE, CORRELATE and GAT. IT source code was converted to PIT, thence to SPIT. IT-2 produced machine language directly, IT-3 developed at Carnegie added double-precision floating-point.
- internal-combustion — of or relating to an internal-combustion engine.
- international pitch — diapason normal pitch.
- international style — the general form of architecture developed in the 1920s and 1930s by Gropius, Le Corbusier, Mies van der Rohe, and others, characterized by simple geometric forms, large untextured, often white, surfaces, large areas of glass, and general use of steel or reinforced concrete construction.
- internet relay chat — (chat, messaging) (IRC) /I-R-C/, occasionally /*rk/ A client-server chat system of large (often worldwide) networks. IRC is structured as networks of Internet servers, each accepting connections from client programs, one per user. The IRC community and the Usenet and MUD communities overlap to some extent, including both hackers and regular folks who have discovered the wonders of computer networks. Some Usenet jargon has been adopted on IRC, as have some conventions such as emoticons. There is also a vigorous native jargon (see the entry for "chat"). The largest and first IRC network is EFNet, with a smaller breakaway network called the Undernet having existed since 1992, and dozens of other networks having appeared (and sometimes disappeared) since. See also nick, bot, op.
- internuncial neuron — interneuron
- interquartile range — the range of values of a frequency distribution between the first and third quartiles.
- interstellar medium — the matter occurring between the stars of our Galaxy, largely in the spiral arms, and consisting mainly of huge clouds of ionized, neutral, or molecular hydrogen
- interval estimation — the process of estimating a parameter of a given population by specifying an interval of values and the probability that the true value of the parameter falls within this interval.
- intervertebral disc — any of the cartilaginous discs between individual vertebrae, acting as shock absorbers
- intervertebral disk — the plate of fibrocartilage between the bodies of adjacent vertebrae.
- irish water spaniel — one of an Irish breed of large water spaniels having a thick, curly, liver-colored coat, a topknot of long, loose curls, and a thin, tapering tail covered with short hair.
- isenheim altarpiece — an altarpiece (1510?–15?) painted by Matthias Grünewald.
- islet of langerhans — any of several masses of endocrine cells in the pancreas that secrete insulin, somatostatin, and glucagon.
- isobutyl propionate — a colorless liquid, C 7 H 14 O 2 , used chiefly as a paint, varnish, and lacquer solvent.
- italian east africa — a former Italian territory in E Africa, formed in 1936 by the merging of Eritrea and Italian Somaliland with newly conquered Ethiopia: taken by the British Imperial forces 1941.
- jacques montgolfier — Jacques Étienne [zhahk ey-tyen] /ʒɑk eɪˈtyɛn/ (Show IPA), 1745–99, and his brother Joseph Michel [zhaw-zef mee-shel] /ʒɔˈzɛf miˈʃɛl/ (Show IPA) 1740–1810, French aeronauts: inventors of the first practical balloon 1783.
- jerusalem artichoke — Also called girasol. a sunflower, Helianthus tuberosus, having edible, tuberous, underground stems or rootstocks.
- judicial separation — a decree of legal separation of spouses that does not dissolve the marriage bond.
- jumping bristletail — any of several thysanuran insects that live in dark, warm, moist places, as under leaves, bark, and dead tree trunks and along rocky seacoasts, and are active jumpers, making erratic leaps when disturbed.
- kellogg-briand pact — a treaty renouncing war as an instrument of national policy and urging peaceful means for the settlement of international disputes, originally signed in 1928 by 15 nations, later joined by 49 others.
- kirlian photography — a photographic process that supposedly records electrical discharges naturally emanating from living objects, producing an auralike glow surrounding the object on a photographic plate or film with which the object is in direct contact.
- knights hospitalers — a member of the religious and military order (Knights Hospitalers or Knights of St. John of Jerusalem) originating about the time of the first Crusade (1096–99) and taking its name from a hospital at Jerusalem.
- lady baltimore cake — a white layer cake using only the beaten whites of eggs and spread with a fruitnut filling consisting of raisins, figs, walnuts or pecans, and sometimes candied cherries.
- lagrangian function — kinetic potential.
- land of opportunity — Arkansas (used as a nickname).
- landrum-griffin act — an act of Congress (1959) outlawing secondary boycotts, requiring public disclosure of the financial records of unions, and guaranteeing the use of secret ballots in union voting.
- landscape architect — A landscape architect is the same as a landscape gardener.
- lateral line system — a system of sensory organs in fishes and aquatic amphibians consisting of a series of cells on the head and along the sides of the body that detect pressure changes and vibrations
- leading aircraftman — the rank above aircraftman
- learning disability — a disorder, as dyslexia, usually affecting school-age children of normal or above-normal intelligence, characterized by difficulty in understanding or using spoken or written language, and thought to be related to impairment or slowed development of perceptual motor skills.
- leisure occupations — activities which you enjoy and which you perform in your free time
- let one's hair down — any of the numerous fine, usually cylindrical, keratinous filaments growing from the skin of humans and animals; a pilus.
- liability insurance — insurance covering the insured against losses arising from injury or damage to another person or property.
- liberation theology — a 20th-century Christian theology, emphasizing the Biblical and doctrinal theme of liberation from oppression, whether racial, sexual, economic, or political.
- licensing agreement — an agreement that sets out the fees and terms of use for something available only under licence
- lie in one's throat — to tell a foul or outrageous lie
- lieutenant governor — a state officer next in rank to a governor, who takes the governor's place in case of the latter's absence, disability, or death.
- lift the curtain on — to begin
- light entertainment — entertainment that requires less mental effort to enjoy, or is considered frivolous
- like a cheshire cat — If someone is grinning like a Cheshire cat or like the Cheshire cat, they are smiling very widely.
- limited partnership — a partnership formed by at least one general partner and at least one special partner.
- line of demarcation — a separation between things deemed to be distinct
- linear polarization — polarization of light in which the vibrations are confined to a single plane, that of the wave front.
- liquorice all-sorts — a brand of assorted sweets containing liquorice as well as coloured candy made of sugar, gelatine, and coconut
- load-bearing printf — (programming, humour) The kind of bug present in a program which works correctly when producing debug output but fails when the debugging is turned off. The expression combines load-bearing wall and printf as used in debugging by printf.
- lobster-tail helmet — a burgonet fitted with a long, articulated tail of lames for protecting the nape of the neck, worn by cavalry in the 17th century.
- local area terminal — (protocol) (LAT) A DECnet-related, non-routable network protocol.
- logical shift right — logical shift