19-letter words containing l, e, v, r
- internal conversion — the emission of an electron by an atom with an excited nucleus, occurring as a result of the transfer of energy from the nucleus to the electron.
- interval estimation — the process of estimating a parameter of a given population by specifying an interval of values and the probability that the true value of the parameter falls within this interval.
- intervertebral disc — any of the cartilaginous discs between individual vertebrae, acting as shock absorbers
- intervertebral disk — the plate of fibrocartilage between the bodies of adjacent vertebrae.
- lean over backwards — to make a special effort, esp in order to please
- 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.
- leveling instrument — an instrument used to establish a horizontal line of sight, usually by means of a spirit level.
- 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.
- 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.
- locomotive engineer — engineer (def 3).
- locomotive workshop — a place where locomotives are built or repaired
- lose your virginity — When you lose your virginity, you have sex for the first time.
- love at first sight — instant romantic attraction to sb
- lymphoproliferative — Characterized by lymphoproliferation.
- massive retaliation — a strategy of military counterattack that involves the use of nuclear weapons.
- memory like a sieve — a very poor memory
- mercury-vapour lamp — a lamp in which an electric discharge through a low pressure of mercury vapour is used to produce a greenish-blue light. It is used for street lighting and is also a source of ultraviolet radiation
- mild silver protein — a compound of silver and a protein, applied to mucous membranes as a mild antiseptic.
- military government — a government in defeated territory administered by the military commander of a conquering nation.
- mordvinian republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Saransk. Pop: 888 700 (2002). Area: 26 200 sq km (10 110 sq miles)
- multiple-entry visa — a visa that permits the holder to enter a country several times
- mushroom ventilator — a ventilator having at the top of a vertical shaft a broad rounded cap that can be screwed down to close it.
- nail polish remover — solvent for removing nail polish
- national government — A national government is a government with members from more than one political party, especially one that is formed during a crisis.
- national serviceman — a soldier undertaking compulsory military service
- neville chamberlain — (Arthur) Neville, 1869–1940, British statesman: prime minister 1937–40.
- no shrinking violet — If you say that someone is no shrinking violet, you mean that they are not at all shy.
- non-volatile memory — non-volatile storage
- nonforfeiture value — any benefit, as cash or other form of insurance, available to a life-insurance policyholder who discontinues premium payments on the policy.
- north valley stream — a town on W Long Island, in SE New York.
- oak-leaved geranium — a geranium, Pelargonium quercifolium, of southern Africa, having oaklike leaves with purple veins and sparse clusters of purple flowers with darker markings.
- observation balloon — a balloon that is used for gathering information and reconnaissance purposes and spotting aircraft
- olive-backed thrush — Swainson's thrush.
- over-centralization — the act or fact of centralizing; fact of being centralized.
- over-commercialized — to make commercial in character, methods, or spirit.
- over-sentimentality — the quality or state of being sentimental or excessively sentimental.
- overplay one's hand — If you say that someone is overplaying something such as a problem, you mean that they are making it seem more important than it really is.
- palomar observatory — an astronomical observatory situated on Palomar Mountain in S California, having a 200-inch (508-cm) reflecting telescope and a 48-inch (122-cm) Schmidt telescope.
- parainfluenza virus — any of a group of viruses that cause respiratory infections with influenza-like symptoms, esp in children
- particular negative — a proposition of the form “Some S is not P.” Symbol: O.
- peak envelope power — (communications) (PEP) The maximum power output by a radio transmitter over one complete RF cycle at any modulation.
- perpetual inventory — a form of stock control in which running records are kept of all acquisitions and disposals
- police intervention — the physical involvement of police officers in an incident, esp where officers use force to control public disorder, such as a riot
- popular sovereignty — the doctrine that sovereign power is vested in the people and that those chosen to govern, as trustees of such power, must exercise it in conformity with the general will.
- pre-order traversal — traversal
- preferential voting — a system of voting designed to permit the voter to indicate an order of preference for the candidates on the ballot.
- private first class — a soldier ranking above a private and below a corporal or specialist fourth class in the U.S. Army, and above a private and below a lance corporal in the U.S. Marine Corps.
- professional advice — advice given by someone trained in a particular and relevant profession or job
- provably unsolvable — The set or property of problems for which no algorithm at all exists. E.g. the Halting Problem. See also provably difficult.
- pyorrhea alveolaris — a chronic periodontitis of the gums and tooth sockets, characterized by the formation of pus and, usually, by loosening of the teeth