19-letter words containing a, n, e, r
- junior bantamweight — a boxer weighing up to 115 pounds (51.7 kg), between flyweight and bantamweight.
- kansas-nebraska act — the act of Congress in 1854 annulling the Missouri Compromise, providing for the organization of the territories of Kansas and Nebraska, and permitting these territories self-determination on the question of slavery.
- keep an eye out for — the organ of sight, in vertebrates typically one of a pair of spherical bodies contained in an orbit of the skull and in humans appearing externally as a dense, white, curved membrane, or sclera, surrounding a circular, colored portion, or iris, that is covered by a clear, curved membrane, or cornea, and in the center of which is an opening, or pupil, through which light passes to the retina.
- keep up appearances — If you keep up appearances, you try to behave and dress in a way that people expect of you, even if you can no longer afford it.
- 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.
- keyboard instrument — any musical instrument that is played using a keyboard
- king charles's head — a fixed idea; personal obsession
- king's remembrancer — (in Great Britain) a judiciary official who collects debts owed to the king.
- kingdom of lorraine — an early medieval kingdom on the Meuse, Moselle, and Rhine rivers: later a duchy
- 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.
- knock-out agreement — an agreement between bidders at an auction or sale not to bid against each other
- know better than to — not to be so stupid as to
- landscape architect — A landscape architect is the same as a landscape gardener.
- landscape gardening — the art or trade of designing or rearranging large gardens, estates, etc.
- 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
- 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
- lay down one's arms — to stop fighting; surrender
- lay one's finger on — to indicate, identify, or locate accurately
- 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
- lean over backwards — to make a special effort, esp in order to please
- 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.
- 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.
- library of congress — one of the major library collections in the world, located in Washington, D.C., and functioning in some ways as the national library of the U.S. although not officially designated as such: established by Congress in 1800 for service to its members, but now also serving government agencies, other libraries, and the public.
- 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 dog's dinner — dressed smartly or ostentatiously
- 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 independence — (in linear algebra) the property of a set of elements in a vector space in which none of the vectors can be written as a linear combination of the others.
- linear polarization — polarization of light in which the vibrations are confined to a single plane, that of the wave front.
- 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.
- local area terminal — (protocol) (LAT) A DECnet-related, non-routable network protocol.
- 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.
- lose one's heart to — to fall in love with
- lymphoproliferation — (medicine) the excessive production of lymphocytes.
- lyon office of arms — Heralds' Office.
- macaroni and cheese — pasta with cheese sauce
- machine instruction — (programming) The smallest element of a machine code program.
- machine translation — changing language of a text by computer
- magnesium carbonate — a white powder, MgCO 3 , insoluble in water and alcohol, soluble in acids, used in dentifrices and cosmetics, in medicine as an antacid, and as a refractory material.