19-letter words containing d, o, t, l
- lady of the evening — a prostitute.
- land of enchantment — New Mexico (used as a nickname).
- land of opportunity — Arkansas (used as a nickname).
- 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 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.
- 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.
- let one's hair down — any of the numerous fine, usually cylindrical, keratinous filaments growing from the skin of humans and animals; a pilus.
- letters of credence — credentials issued to a diplomat or other governmental representative for presentation to the country to which he or she is sent.
- lie down on the job — to put forth less than one's best efforts
- lightning conductor — A lightning conductor is a long thin piece of metal on top of a building that attracts lightning and allows it to reach the ground safely.
- line of demarcation — a separation between things deemed to be distinct
- lipschitz condition — the property of a function on a closed interval such that the absolute value of the difference in functional values at any two points in the interval is less than a constant times the absolute value of the difference of the points raised to some positive power m, called the order.
- 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.
- lobby correspondent — a political correspondent who reports from parliament
- 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.
- maestro di cappella — a person in charge of an orchestra, esp a private one attached to the palace of a prince in Italy during the baroque period
- mary mcleod bethune — Mary McLeod [muh-kloud] /məˈklaʊd/ (Show IPA), 1875–1955, U.S. educator and civil-rights leader.
- medical examination — physical examination
- meter-candle-second — a unit of light-exposure equivalent to one lux for one second.
- middle palaeolithic — the period between the Lower and the Upper Palaeolithic, usually taken as equivalent to the Mousterian
- midnight regulation — a rule or directive approved by the federal government near the end of a president’s term of office
- mild silver protein — a compound of silver and a protein, applied to mucous membranes as a mild antiseptic.
- millennium meltdown — Year 2000
- modulus of rigidity — shear modulus.
- molybdenum trioxide — a white, crystalline, sparingly water-soluble powder, MoO 3 , used chiefly in the manufacture of molybdenum compounds.
- 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.
- moses-in-the-cradle — a plant, Rhoeo spathacea, native to the West Indies and Central America, having leaves with purple undersides and white flowers enclosed in a boat-shaped envelope formed by two bracts.
- mount desert island — an island off the coast of E central Maine: summer resort; forms part of Acadia National Park. 14 miles (23 km) long; 8 miles (13 km) wide.
- multidimensionality — The property of being multidimensional.
- mutual fund company — a company that sells and manages mutual funds
- national book award — any of several awards given annually, 1949–79, to an author whose book was judged the best in its category: administered by the Association of American Publishers. Abbreviation: NBA, N.B.A.
- national coal board — a statutory corporation set up to run Britain's nationalised coal mining industry between 1947 and 1994, at which time the industry was privatized
- non-confidentiality — spoken, written, acted on, etc., in strict privacy or secrecy; secret: a confidential remark.
- non-distinguishable — to mark off as different (often followed by from or by): He was distinguished from the other boys by his height.
- nordrhein-westfalen — German name of North Rhine-Westphalia.
- normal distribution — a theoretical frequency distribution represented by a normal curve.
- novell data systems — (company) A small computer hardware company building CP/M Z80-based systems. They later went on to become Novell, Inc. and develop Novell Netware.
- object-oriented sql — (language) (OSQL) A functional language, a superset of SQL, used in Hewlett-Packard's OpenODB database system.
- occupational hazard — a danger or hazard to workers that is inherent in a particular occupation: Silicosis is an occupational hazard of miners.
- old english pattern — a spoon pattern having a stem curving backward at the end.
- old man and the sea — a novel (1952) by Ernest Hemingway.
- old spanish customs — irregular practices among a group of workers to gain increased financial allowances, reduced working hours, etc
- olive-backed thrush — Swainson's thrush.
- on the threshold of — If you are on the threshold of something exciting or new, you are about to experience it.
- on top of the world — the highest or loftiest point or part of anything; apex; summit. Synonyms: zenith, acme, peak, pinnacle, vertex. Antonyms: bottom, base, foot, lowest point.
- open the floodgates — If events open the floodgates to something, they make it possible for that thing to happen much more often or much more seriously than before.
- optical double star — two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star)
- optical mark reader — (hardware) (OMR) A special scanning device that can read carefully placed pencil marks on specially designed documents. OMR is frequenty used in forms, questionnaires, and answer-sheets.