19-letter words containing a, l, y, t
- 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.
- isobutyl propionate — a colorless liquid, C 7 H 14 O 2 , used chiefly as a paint, varnish, and lacquer solvent.
- judgment by default — a judgment in the plaintiff's favour when the defendant fails to plead or to appear
- 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.
- 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.
- lady of the evening — a prostitute.
- land of opportunity — Arkansas (used as a nickname).
- language laboratory — a special room or rooms with sound-recording and -reproducing equipment for use by students to practice speaking foreign languages, usually with an instructor monitoring the program.
- 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
- lead someone astray — If someone or something leads you astray, they make you believe something that is not true, causing you to make a wrong decision.
- 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.
- least recently used — (operating systems) (LRU) A rule used in a paging system which selects a page to be paged out if it has been used (read or written) less recently than any other page. The same rule may also be used in a cache to select which cache entry to flush. This rule is based on temporal locality - the observation that, in general, the page (or cache entry) which has not been accessed for longest is least likely to be accessed in the near future.
- leukoencephalopathy — (medicine) Any disease that effects the white matter of the brain.
- 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.
- longitudinal parity — (storage, communications) An extra byte (or word) appended to a block of data in order to reveal corruption of the data. Bit n of this byte indicates whether there was an even or odd number of "1" bits in bit position n of the bytes in the block. The parity byte is computed by XORing the data bytes in the block. Longitudinal parity allows single bit errors to be detected.
- lupus erythematosus — any of several autoimmune diseases, especially systemic lupus erythematosus, characterized by red, scaly skin patches.
- lymphoproliferation — (medicine) the excessive production of lymphocytes.
- lymphoproliferative — Characterized by lymphoproliferation.
- lytham saint anne's — a resort in NW England, in Lancashire on the Irish Sea. Pop: 41 327 (2001)
- mary mcleod bethune — Mary McLeod [muh-kloud] /məˈklaʊd/ (Show IPA), 1875–1955, U.S. educator and civil-rights leader.
- mary wollstonecraft — Mary (Mary Wollstonecraft Godwin) 1759–97, English author and feminist (mother of Mary Shelley).
- maternity allowance — (in the British National Insurance scheme) a payment made to a pregnant woman who usually works but does not qualify for statutory maternity pay, normally from 11 weeks before confinement for a period of 18 weeks
- mayor of the palace — one of a line of hereditary administrative lieutenants to the Merovingian kings who eventually took over royal function and title in the Frankish kingdoms; a palatine.
- methyl methacrylate — a colorless, volatile, flammable, water-insoluble, liquid, unsaturated ester, C 5 H 8 O 2 , that polymerizes readily to a clear plastic.
- metropolitan county — (in England) any of the six conurbations established as administrative units in the new local government system in 1974; the metropolitan county councils were abolished in 1986
- microelectronically — by microcircuits
- military government — a government in defeated territory administered by the military commander of a conquering nation.
- military pentathlon — an athletic contest comprising five different events, a 300-meter freestyle swim, a 4000-meter cross-country run, a 5000-meter equestrian steeplechase, épée fencing, and pistol target-shooting at 25 meters, the winner being the contestant with the highest total score.
- molar heat capacity — the heat capacity of one mole of a substance.
- molecular astronomy — the branch of astronomy dealing with the study of molecules in space.
- monoclonal antibody — antibody produced by a laboratory-grown cell clone, either of a hybridoma or a virus-transformed lymphocyte, that is more abundant and uniform than natural antibody and is able to bind specifically to a single site on almost any chosen antigen or reveal previously unknown antigen sites: used as an analytic tool in scientific research and medical diagnosis and potentially important in the treatment of certain diseases. Abbreviation: MAb.
- multidimensionality — The property of being multidimensional.
- multimedia analysis — Multimedia analysis is the consideration of all possible risks relating to pollution and waste management.
- multiple-entry visa — a visa that permits the holder to enter a country several times
- mutual fund company — a company that sells and manages mutual funds
- near letter quality — a quality of print that is not quite letter quality, but is better than draft quality
- negation by failure — An extralogical feature of Prolog and other logic programming languages in which failure of unification is treated as establishing the negation of a relation. For example, if Ronald Reagan is not in our database and we asked if he was an American, Prolog would answer "no".
- neuropathologically — In a neuropathologic way.
- new year resolution — a promise to yourself or decision to do something, especially to improve one's behaviour or lifestyle in some way, during the year ahead
- newcastle upon tyne — 1st Duke of, Pelham-Holles, Thomas.
- nine plus two array — the arrangement of microtubules in a flagellum or cilium, consisting of a ring of nine evenly spaced couplets surrounding two central singlets. Symbol: 9 + 2.
- non-confidentiality — spoken, written, acted on, etc., in strict privacy or secrecy; secret: a confidential remark.
- non-transferability — to convey or remove from one place, person, etc., to another: He transferred the package from one hand to the other.
- non-volatile memory — non-volatile storage
- nonplayer character — a character in a tabletop role-playing game who is controlled by the Game Master.
- north valley stream — a town on W Long Island, in SE New York.
- north-northeasterly — a wind or storm coming from the north-northeast
- not by a long chalk — by no means; not possibly
- not by a long sight — on no account; not at all