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20-letter words containing p, e, a, t, b

  • operational database — (database)   A database containing up-to-date, modifiable data, in contrast to a decision support database.
  • 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.
  • peasecod breastplate — a breastplate having a long central ridge terminating in a raised area overhanging the waistline.
  • 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)
  • 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 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.
  • 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
  • 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.
  • 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
  • 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.
  • strawberry-raspberry — an arching, prickly, Japanese plant, Rubus illecebrosus, of the rose family, having an herbaceous stem, white, fragrant flowers, and large, edible, scarlet fruit.
  • subpoena duces tecum — a writ directing a person to appear in court and to bring some document described in the writ.
  • switchboard operator — a person who operates an installation in a telephone exchange, office, hotel, etc, at which the interconnection of telephone lines is manually controlled
  • the beautiful people — rich, fashionable people in international high society
  • therapeutic abortion — abortion performed when a woman's pregnancy endangers her health.
  • to bring up the rear — If a person or vehicle is bringing up the rear, they are the last person or vehicle in a moving line of them.
  • to disturb the peace — If someone is accused of disturbing the peace, they are accused of behaving in a noisy and offensive way in public.
  • to keep your balance — If you keep your balance, for example, when standing in a moving vehicle, you remain steady and do not fall over. If you lose your balance, you become unsteady and fall over.
  • to push the boat out — If you push the boat out, you spend a lot of money on something, especially in order to celebrate.
  • to scrape the barrel — If you say that someone is scraping the barrel, or scraping the bottom of the barrel, you disapprove of the fact that they are using or doing something of extremely poor quality.
  • tropical disturbance — a very weak, or incipient, tropical cyclone.
  • tubing head pressure — The tubing head pressure is the pressure on the tubing, which is measured at the wellhead.
  • united arab republic — a name given the union of Egypt and Syria from 1958 to 1961; after that, the official name of Egypt alone until 1971. Abbreviation: U.A.R.
  • upper income bracket — a grouping of the highest earning tax payers
  • wet-bulb temperature — The wet-bulb temperature is the temperature reached by a small amount of liquid evaporating in a large amount of an unsaturated air-vapor mixture.
  • white bush (scallop) — a variety of summer squash having a saucer-shaped white fruit, scalloped around the edges
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