19-letter words containing r, s
- 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.
- karachai-cherkessia — a constituent republic of W Russia, on the N side of the Caucasus Mountains. Capital: Cherkessk. Pop: 439 700 (2002). Area: 14 100 sq km (5440 sq miles)
- keep one's shirt on — a long- or short-sleeved garment for the upper part of the body, usually lightweight and having a collar and a front opening.
- 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.
- keyboard instrument — any musical instrument that is played using a keyboard
- kilobits per second — (unit) (kbps, kb/s) A unit of data rate where 1 kb/s = 1000 bits per second. This contrasts with units of storage where 1 Kb = 1024 bits (note upper case K).
- 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.
- 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.
- komandorski islands — a group of islands in the Bering Sea, in NE Russia, E of the Kamchatka Peninsula: U.S.-Japan naval battle, 1943.
- 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.
- 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.
- 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.
- 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.
- letters of credence — credentials issued to a diplomat or other governmental representative for presentation to the country to which he or she is sent.
- leveling instrument — an instrument used to establish a horizontal line of sight, usually by means of a spirit level.
- liability insurance — insurance covering the insured against losses arising from injury or damage to another person or property.
- 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
- life-support system — A life-support system is the same as a life-support machine.
- lighten sb's burden — If someone or something lightens your burden or your load, they make a bad or difficult situation better for you.
- like a cheshire cat — If someone is grinning like a Cheshire cat or like the Cheshire cat, they are smiling very widely.
- like a dog's dinner — dressed smartly or ostentatiously
- limit of resolution — the capacity of an optical system to resolve point objects as separate images.
- limited partnership — a partnership formed by at least one general partner and at least one special partner.
- liouville's theorem — the theorem that every function of a complex variable, bounded and differentiable for all finite values of the variable, is a constant function.
- lipopolysaccharides — Plural form of lipopolysaccharide.
- liquorice all-sorts — a brand of assorted sweets containing liquorice as well as coloured candy made of sugar, gelatine, and coconut
- lobby correspondent — a political correspondent who reports from parliament
- 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.
- locomotive workshop — a place where locomotives are built or repaired
- logical shift right — logical shift
- long-and-short work — an arrangement of rectangular quoins or jambstones set alternately vertically and horizontally.
- lose no opportunity — If you say that someone loses no opportunity to do or say a particular thing, you are emphasizing that they do it or say it whenever it is possible.
- lose one's heart to — to fall in love with
- lose one's shirt on — to lose all one has on (a horse, etc)
- lose your virginity — When you lose your virginity, you have sex for the first time.
- loss on translation — A loss on translation is the amount of money that is lost by a company by converting another currency used in a transaction into the functional currency of the company.
- louis ii de bourbon — Condé, Prince de.
- love at first sight — instant romantic attraction to sb
- low insertion force — (hardware) (LIF) PGA/SPGA sockets with no handle. The integrated circuit is simply pushed into the socket, and levered out to remove. Most motherboard processor sockets are now ZIF rather than LIF.