20-letter words containing o, p, e, n, a, b
- a drop in the bucket — an amount very small in relation to what is needed or desired
- abetalipoproteinemia — a rare inherited disorder of fat metabolism due to an inability to synthesize certain apolipoproteins necessary for the transport of triglycerides, leading to diarrhea, steatorrhea, and failure to thrive.
- algebraic expression — a symbol or a combination of symbols used in algebra, containing one or more numbers, variables, and arithmetic operations: how to solve algebraic expressions.
- american labor party — a U.S. political party (1936–56) organized in New York City to gain independent political status for the labor and liberal factions of the Democratic Party.
- back-of-the-envelope — (of a plan, calculation, etc) composed or performed quickly and without detailed analysis or research
- basic oxygen process — a process for refining steel in which oxygen is blown into the molten iron
- belgian shepherd dog — a medium-sized well-proportioned dog of a breed that resembles an Alsatian in appearance and is often used as a sheepdog or a guard dog
- benztropine mesylate — a synthetic anticholinergic, C 21 H 25 NO⋅CH 4 O 3 S, used in the treatment of Parkinson's disease.
- blow up in sb's face — If something that you have planned blows up in your face, it goes wrong unexpectedly, with the result that you suffer.
- brachiocephalic vein — either of two major veins, formed by the merger of the subclavian and internal jugular veins, that drain blood from the head and arms.
- buoyancy compensator — an inflatable vest used to control one's buoyancy underwater or to rest at the surface, usually having a connecting hose for inflation or deflation by mouth and a CO 2 cartridge for rapid, emergency inflation.
- change-speed gearbox — A change-speed gearbox is a set of movable or constant gears which allows the speed ratio between input and output shafts to be changed either manually or automatically.
- chebyshev polynomial — a polynomial solution of the Tchebycheff equation, of the form T n (x) = cos(n cos −1 x), where n is an integer.
- checkerboard pattern — checked pattern that looks like a draughtboard
- compensating balance — Also, compensated balance, compensation balance. a balance wheel in a timepiece, designed to compensate for variations in tension in the hair spring caused by changes in temperature.
- conservative baptist — a member of a Protestant denomination (Conservative Baptist Association of America) organized in Milwaukee, Wisconsin, in 1948.
- diabetic retinopathy — a disorder of the blood vessels of the retina occurring as a complication of poorly controlled diabetes mellitus and often leading to blindness.
- diamondback terrapin — any edible North American terrapin of the genus Malaclemys, esp M. terrapin, occurring in brackish and tidal waters and having diamond-shaped markings on the shell: family Emydidae
- drum and bugle corps — a marching band of drum players and buglers.
- gorno-altai republic — a constituent republic of S Russia: mountainous, rising over 4350 m (14 500 ft) in the Altai Mountains of the south. Capital: Gorno-Altaisk. Pop: 202 900 (2002). Area: 92 600 sq km (35 740 sq miles)
- hit the panic button — an alarm button for use in an emergency, as to summon help.
- hyperbolic cotangent — a hyperbolic function that is the ratio of cosh to sinh, being the reciprocal of tanh; coth
- in the public domain — able to be discussed and examined freely by the general public
- integration by parts — Mathematics. a method of evaluating an integral by use of the formula, ∫udv = uv − ∫vdu.
- laboratory equipment — apparatus for scientific research and experiments
- megabytes per second — (unit) (MBps, MB/s) Millions of bytes per second. A unit of data rate. 1 MB/s = 1,000,000 bytes per second (not 1,048,576).
- member of parliament — A Member of Parliament is a person who has been elected by the people in a particular area to represent them in a country's parliament. The abbreviation MP is often used.
- multiplication table — Arithmetic. a tabular listing of the products of any two numbers of a set, usually of the integers 1 through 10 or 1 through 12.
- neon lamp (or tube) — a discharge lamp containing neon, that ionizes and glows with a red light (neon light) when an electric current is sent through it: used esp. in advertising signs
- operation barbarossa — the codename for Hitler's invasion (1941) of Russia
- operational database — (database) A database containing up-to-date, modifiable data, in contrast to a decision support database.
- para-dichlorobenzene — a white, crystalline, volatile, water-insoluble solid, C 6 H 4 Cl 2 , of the benzene series, having a penetrating odor: used chiefly as a moth repellent.
- particle beam weapon — a weapon that fires particle beams into the atmosphere or space
- pass in one's marble — to die
- pedro juan caballero — a city in E central Paraguay.
- pentobarbital sodium — a barbiturate drug used in medicine as a sedative and hypnotic. Formula: C11H17N2O3Na
- periodontal membrane — the collagenous, fibrous connective tissue between the cementum of the tooth and the alveolus.
- pick someone's brain — to obtain information or ideas from someone
- planned obsolescence — a method of stimulating consumer demand by designing products that wear out or become outmoded after limited use.
- potassium binoxalate — a white, crystalline, hygroscopic, poisonous solid, KHC 2 O 4 , that is usually hydrated: used chiefly for removing ink stains, cleaning metal and wood, and in photography.
- proactive inhibition — the tendency for earlier memories to interfere with the retrieval of material learned later
- prohibited substance — a substance, such as a drug, etc, that is banned or forbidden by law or other authority
- prothonotary warbler — a wood warbler, Protonotaria citrea, of the eastern U.S., having an orange-yellow head and underparts, and bluish-gray wings and tail.
- rub up the wrong way — to arouse anger (in); annoy
- second-hand bookshop — a shop selling second-hand books
- spectroscopic binary — a binary star having components that are not sufficiently separated to be resolved by a telescope, known to be a binary only bythe variations in wavelength of emitted light that are detected by a spectroscope.
- spherical aberration — variation in focal length of a lens or mirror from center to edge, due to its spherical shape.
- spontaneous abortion — miscarriage (def 1).
- spontaneous-abortion — Also called voluntary abortion. the removal of an embryo or fetus from the uterus in order to end a pregnancy.
- spotted crane's-bill — the American wild geranium, Geranium maculatum.
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