13-letter words containing r, e, p, l
- liberal party — a political party in Great Britain, formed about 1830 as a fusion of Whigs and Radicals and constituting one of the dominant British parties in the 19th and early part of the 20th centuries.
- liberty party — the first antislavery political party, organized in 1839 and merged with the Free Soil party in 1848.
- library paste — a white, smooth paste for paper and lightweight cardboard.
- library steps — a folding stepladder, especially one folding into another piece of furniture, as a table or chair.
- light therapy — therapeutic exposure to full-spectrum artificial light that simulates sunlight, used to treat various conditions, as seasonal affective disorder.
- line spectrum — an electromagnetic spectrum consisting of discrete lines, usually characteristic of excited atoms or molecules.
- linkage group — a group of genes in a chromosome that tends to be inherited as a unit.
- lipid bilayer — a two-layered arrangement of phosphate and lipid molecules that form a cell membrane, the hydrophobic lipid ends facing inward and the hydrophilic phosphate ends facing outward.
- liposculpture — the surgical removal of subcutaneous fat and its transplant to another part of the body, as to fill out facial contours.
- lipstick tree — annatto (def 1).
- lithotripters — Plural form of lithotripter.
- little dipper — the group of seven bright stars in Ursa Minor resembling a dipper in outline.
- little prince — an allegorical fantasy (1943) by Antoine de Saint-Exupéry.
- loebner prize — (artificial intelligence) An annual competition in artificial intelligence started by Dr. Hugh Loebner of New York City in 1991. A $100,000 prize is offered to the author of the first computer program to pass an unrestricted Turing test. Annual competitions are held each year with a $2000 prize for the best program on a restricted Turing test. Sponsors of previous competitions include: Apple Computer, Computerland, Crown Industries, GDE Systems, IBM Personal Computer Company's Center for Natural Computing, Greenwich Capital Markets, Motorola, the National Science Foundation, The Alfred P. Sloan Foundation, and The Weingart Foundation. The 1995 and 1996 events were unrestricted Turing Tests, requiring computer entries to converse indefinitely with no topic restrictions. So far, even the best programs give themselves away almost immediately, either by simple grammatical mistakes or by repetition. Complete transcripts and IBM compatible diskettes that play the 1991, 1992, and 1993 conversations in real-time are available for purchase from the Cambridge Center for Behavioral Studies (telephone: +1 (617) 491 9020, Fax: 1072). Sponsorship opportunities are available.
- loop diuretic — any of a group of diuretics, including frusemide, that act by inhibiting resorption of salts from Henle's loop of the kidney tubule
- lord temporal — a member of the House of Lords who is not a member of the clergy.
- lord's prayer — the, the prayer given by Jesus to His disciples, and beginning with the words Our Father. Matt. 6:9–13; Luke 11:2–4.
- lord's supper — the, the sacrament in commemoration of the Last Supper; communion; Mass; Eucharist.
- lost property — lost and found.
- louis pasteur — Louis [loo-ee;; French lwee] /ˈlu i;; French lwi/ (Show IPA), 1822–95, French chemist and bacteriologist.
- lumbar plexus — a network of nerves originating in the spinal nerves of the midback region and innervating the pelvic area, the front of the legs, and part of the feet.
- lump together — If a number of different people or things are lumped together, they are considered as a group rather than separately.
- lunar eclipse — Astronomy. the obscuration of the light of the moon by the intervention of the earth between it and the sun (lunar eclipse) or the obscuration of the light of the sun by the intervention of the moon between it and a point on the earth (solar eclipse) a similar phenomenon with respect to any other planet and either its satellite or the sun. the partial or complete interception of the light of one component of a binary star by the other.
- macrencephaly — The presence of an abnormally large brain.
- macrocephalic — Cephalometry. being or having a head with a large cranial capacity.
- macrocephalus — Alternative spelling of macrocephalous.
- mail exploder — (messaging) Part of an electronic mail delivery system which allows a message to be delivered to a list of addresses. Mail exploders are used to implement mailing lists. Users send messages to a single address and the mail exploder takes care of delivery to the individual mailboxes in the list.
- mainz psalter — a book printed by Johannes Gutenberg: thought by some to be the first book printed from movable type.
- major penalty — a penalty consisting of the removal of a player for five minutes from play, no substitute for the player being permitted.
- mar del plata — a city in E Argentina: seaside resort.
- maritime alps — a range of the W Alps in SE France and NW Italy. Highest peak: Argentera, 3297 m (10 817 ft)
- marlinespikes — Plural form of marlinespike.
- master policy — a single policy covering a group of people, typically employees of a company, issued to an employer.
- matripotestal — of or relating to the authority exercised by a mother or a mother's blood relatives.
- melbourne cup — an annual horse race run in Melbourne, since 1861
- memorial park — cemetery.
- mephobarbital — The drug methylphenobarbital.
- merleau-ponty — Maurice, 1908–61, French phenomenological philosopher.
- mesi protocol — (processor) Modified, Exclusive, Shared, Invalid. A cache coherency protocol where each cache line is marked with one of the four states. The MESI protocol is used by the Pentium processor.
- metallography — the study of the structure of metals and alloys by means of microscopy.
- methylparaben — a fine, white, needlelike substance, C 8 H 8 O 3 , used chiefly as a preservative in foods and pharmaceuticals.
- methylpropane — (organic compound) isobutane.
- methylpropene — (organic compound) IUPAC name for isobutylene.
- metropolitans — Plural form of metropolitan.
- microcapsules — Plural form of microcapsule.
- microcephalia — Microcephaly.
- microcephalic — having a head with a small braincase.
- microcephalus — An abnormally small head.
- microfloppies — 3.5-inch floppies, as opposed to 5.25-inch vanilla or mini-floppies and the now-obsolete 8-inch variety. This term may be headed for obsolescence as 5.25-inchers pass out of use, only to be revived if anybody floats a sub-3-inch floppy standard. See stiffy, minifloppies.
- microparticle — An extremely small particle.