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20-letter words containing i, b, e, r, t

  • on the drawing board — in the planning stage
  • 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.
  • 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.
  • 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.
  • postcode prescribing — the practice of prescribing more or less expensive and effective medical treatments to patients depending on where they live in a country, and which treatments their health board is willing and able to provide
  • 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
  • prime number theorem — the theorem that the number of prime numbers less than or equal to a given number is approximately equal to the given number divided by its natural logarithm.
  • 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
  • public lending right — (in Britain) an act of Parliament that directs compensation to an author for the library loan of his or her book.
  • quasi-stellar object — quasar. Abbreviation: QSO.
  • receivables turnover — A receivables turnover is a measure of cash flow that is calculated by dividing net credit sales by average accounts receivable.
  • recursive subroutine — a subroutine that can call itself as part of its execution
  • reductio ad absurdum — a reduction to an absurdity; the refutation of a proposition by demonstrating the inevitably absurd conclusion to which it would logically lead.
  • regenerative braking — Regenerative braking is a form of braking in electric vehicles in which the loss of kinetic energy from braking is stored and then fed back later to provide power to the electric motor.
  • 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
  • ring of the nibelung — Richard Wagner's tetralogy of music dramas: Das Rheingold (completed 1869), Die Walküre (completed 1870), Siegfried (completed 1876), and Götterdämmerung (completed 1876): the cycle was first performed at Bayreuth, 1876.
  • roller-blind shutter — curtain shutter.
  • royal british legion — an organization founded in 1921 to provide services and assistance for former members of the armed forces
  • rub sb's nose in sth — To rub someone's nose in something that they do not want to think about, such as a failing or a mistake they have made, means to remind them repeatedly about it.
  • ruby-crowned kinglet — an olive-gray, American kinglet, Regulus calendula, the male of which has an erectile, ruby crest.
  • sailor's breastplate — a knot consisting of three overlapping loops formed by a single rope passed alternately over and under itself at crossings.
  • sb's future lies swh — If you say that someone's future lies in a particular place or activity, you think they will be most successful or happy in that place or doing that activity.
  • semiautobiographical — pertaining to or being a fictionalized account of an author's own life.
  • set the ball rolling — to open or initiate (an action, discussion, movement, etc)
  • shibah asar betammuz — Shivah Asar Betammuz.
  • shivah asar betammuz — a Jewish fast day observed on the 17th day of Tammuz in memory of the breach of the walls of Jerusalem by the Romans in a.d. 70.
  • short back and sides — If a man has a short back and sides, his hair is cut very short at the back and sides with slightly thicker, longer hair on the top of the head.
  • solid rocket booster — a solid-propellant strap-on rocket used to accelerate a missile or launch vehicle during liftoff. Abbreviation: SRB.
  • 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.
  • stare sb in the face — If a situation or the answer to a problem is staring you in the face, it is very obvious, although you may not be immediately aware of it.
  • 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.
  • subscription edition — an edition of one or more volumes for which a number of prospective purchasers place orders, usually in advance of publication.
  • 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
  • telephone subscriber — a person who subscribes to a telephone service
  • television broadcast — sth shown on tv
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