20-letter words containing b, a, r, p
- hyperbolic cotangent — a hyperbolic function that is the ratio of cosh to sinh, being the reciprocal of tanh; coth
- independent variable — Mathematics. a variable in a functional relation whose value determines the value or values of other variables, as x in the relation y = 3 x 2 . Compare dependent variable (def 1).
- 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
- lampbrush chromosome — a chromosome with looped projections resembling a brush
- look before you leap — be aware of the risks involved in sth
- magdeburg hemisphere — one of a pair of hemispherical cups from which air can be evacuated when they are placed together: used to demonstrate the force of air pressure.
- marginal probability — (in a multivariate distribution) the probability of one variable taking a specific value irrespective of the values of the others
- 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.
- 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
- particulate scrubber — A particulate scrubber is a scrubber in which a liquid is mixed with the gas to collect solids.
- pass in one's marble — to die
- peasecod breastplate — a breastplate having a long central ridge terminating in a raised area overhanging the waistline.
- 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.
- physical 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)
- pick someone's brain — to obtain information or ideas from someone
- pipeline burst cache — (hardware, storage) (PB Cache) A synchronous cache built from pipelined SRAM. A cache in which reading or writing a new location takes multiple cycles but subsequent locations can be accessed in a single cycle. On Pentium systems in 1996, pipeline burst caches are frequently used as secondary caches. The first 8 bytes of data are transferred in 3 CPU cycles, and the next 3 8-byte pieces of data are transferred in one cycle each.
- potassium bichromate — an orange-red, crystalline, water-soluble, poisonous powder, K 2 Cr 2 O 7 , used chiefly in dyeing, photography, and as a laboratory reagent.
- potassium bitartrate — cream of tartar.
- potassium-bitartrate — a white, crystalline, water-soluble powder, C 4 H 5 KO 6 , used chiefly as an ingredient in baking powders and in galvanic tinning of metals. Also called potassium bitartrate, potassium acid tartrate. Compare tartar (def 3).
- prepatellar bursitis — inflammation and swelling of the bursa in front of the kneecap, caused esp by constant kneeling on a hard surface
- proactive inhibition — the tendency for earlier memories to interfere with the retrieval of material learned later
- probability function — the function the values of which are probabilities of the distinct outcomes of a discrete random variable
- 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.
- public administrator — an official of a city, county, or state government.
- pure lambda-calculus — Lambda-calculus with no constants, only functions expressed as lambda abstractions.
- relative probability — a measure or estimate of the degree of confidence one may have in the occurrence of an event, defined as the limit of the proportion observed in a sample as the sample size tends to infinity
- republic of maldives — a republic occupying an archipelago of 1087 coral islands in the Indian Ocean, southwest of Sri Lanka: came under British protection in 1887; became independent in 1965 and a republic in 1968; member of the Commonwealth (1982–2016). The economy and infrastructure were severely damaged in the Indian Ocean tsunami of December 2004. Official language: Divehi. Official religion: (Sunni) Muslim. Currency: rufiyaa. Capital: Malé. Pop: 393 988 (2013 est). Area: 298 sq km (115 sq miles)
- rub up the wrong way — to arouse anger (in); annoy
- sailor's breastplate — a knot consisting of three overlapping loops formed by a single rope passed alternately over and under itself at crossings.
- semiautobiographical — pertaining to or being a fictionalized account of an author's own life.
- special boat service — a unit of the Royal Marines specializing in reconnaissance and sabotage
- 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.
- splice the mainbrace — to issue and partake of an extra allocation of alcoholic spirits
- 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.
- star spangled banner — Stars and Stripes.
- star-spangled banner — Stars and Stripes.
- ste. anne de beaupre — a village in S Quebec, in SE Canada, on the St. Lawrence, NE of Quebec: Roman Catholic shrine.
- step into the breach — If you step into the breach, you do a job or task which someone else was supposed to do or has done in the past, because they are suddenly unable to do it.