19-letter words containing a, t, l
- label switched path — (networking) (LSP) The specific path through a network that a datagram follows, based on its MPLS labels.
- ladies-of-the-night — plural of lady-of-the-night.
- 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.
- lagrangian function — kinetic potential.
- lame duck amendment — an amendment to the U.S. Constitution, ratified in 1933, that abolished the December to March session of those Congressmen defeated for reelection in November.
- land of enchantment — New Mexico (used as a nickname).
- 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.
- 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.
- large munsterlander — a strongly built gun dog with a long dense black-and-white coat
- late-night shopping — later opening hours of shops than usual, esp as a regular occurrence on a particular night of the week
- 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.
- leading aircraftman — the rank above aircraftman
- leading coefficient — the coefficient of the term of highest degree in a given polynomial. 5 is the leading coefficient in 5 x 3 + 3 x 2 − 2 x + 1.
- 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.
- leave the door open — a movable, usually solid, barrier for opening and closing an entranceway, cupboard, cabinet, or the like, commonly turning on hinges or sliding in grooves.
- left-luggage locker — a coin-operated locker in which luggage can be left
- left-luggage office — a checkroom for baggage.
- legislative council — the upper house of a bicameral legislature.
- leisure occupations — activities which you enjoy and which you perform in your free time
- let it all hang out — to fasten or attach (a thing) so that it is supported only from above or at a point near its own top; suspend.
- let one's hair down — any of the numerous fine, usually cylindrical, keratinous filaments growing from the skin of humans and animals; a pilus.
- let someone have it — to allow or permit: to let him escape.
- leukoencephalopathy — (medicine) Any disease that effects the white matter of the brain.
- level of attainment — one of ten groupings, each with its own attainment criteria based on pupil age and ability, within which a pupil is assessed
- 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
- line-of-battle ship — ship of the line.
- 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
- logical unit number — (storage) (LUN) A 3-bit identifier used on a SCSI bus to distinguish between up to eight devices (logical units) with the same SCSI ID.
- long-and-short work — an arrangement of rectangular quoins or jambstones set alternately vertically and horizontally.
- 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.
- lord baltimore cake — a yellow layer cake, using only the yolks of eggs and having a fruit-nut filling consisting of pecans, almonds, maraschino cherries, and macaroon crumbs.