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20-letter words containing a, b, c, t, o, r

  • corrugated cardboard — cardboard usually made of three different layers, the two outer layers having a smooth surface while the central inner layer is corrugated
  • curry favour with sb — If one person tries to curry favour with another, they do things in order to try to gain their support or co-operation.
  • cytosine arabinoside — cytarabine.
  • database transaction — (database)   A set of related changes applied to a database. The term typically implies that either all of the changes should be applied or, in the event of an error, none of them, i.e. the transaction should be atomic. Atomicity is one of the ACID properties a transaction can have, another is isolation - preventing interference between processes trying to access the database cocurrently. This is usually achieved by some form of locking - where one process takes exclusive control of a database table or row for the duration of the transaction, preventing other processes from accessing the locked data. The canonical example of a transaction is transferring money between two bank accounts by subtracting it from one and adding it to the other. Some relational database management systems require the user to explicitly start a transaction and then either commit it (if all the individual steps are successful) or roll it back (if there are any errors).
  • demographic timebomb — a predicted shortage of school-leavers and consequently of available workers, caused by an earlier drop in the birth rate, resulting in an older workforce
  • 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
  • distribution channel — trade: retailer
  • district of columbia — a federal area in the E United States, on the Potomac, coextensive with the federal capital, Washington. 69 sq. mi. (179 sq. km). Abbreviation: DC (for use with zip code), D.C.
  • double-aspect theory — a monistic theory that holds that mind and body are not distinct substances but merely different aspects of a single substance
  • double-trailer truck — tandem trailer (def 1).
  • electoral boundaries — the way that a country or area is divided for the purposes of voting in an election
  • embryo vitrification — a method of in vitro fertilization in which the embryo is exposed to a vitreous solution and frozen before being thawed and implanted into the uterus
  • equilibrium constant — The equilibrium constant is the ratio between the amount of reactants and the amount of product for a particular chemical reaction, used to calculate chemical behavior.
  • fast-breeder reactor — a breeder reactor in which there is no moderator and fission is caused by high-energy neutrons.
  • feast of tabernacles — Sukkoth.
  • for sb's delectation — If you do something for someone's delectation, you do it to give them enjoyment or pleasure.
  • front-to-back engine — an engine in which the crankshaft is arranged front to back along the axis of the vehicle
  • 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)
  • hyperbolic cotangent — a hyperbolic function that is the ratio of cosh to sinh, being the reciprocal of tanh; coth
  • indian cucumber root — a North American plant, Medeola virginiana, of the lily family, having whorled leaves, nodding, greenish-yellow flowers, and an edible root.
  • job control language — a language used to construct statements that identify a particular job to be run and specify the job's requirements to the operating system under which it will run. Abbreviation: JCL.
  • like a ton of bricks — (used esp of the manner of punishing or reprimanding someone) with great force; severely
  • 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).
  • meta-dichlorobenzene — a colorless liquid, C 6 H 4 Cl 2 , soluble in alcohol and ether: used as a fumigant and insecticide.
  • miliary tuberculosis — tuberculosis in which the bacilli are spread by the blood from one point of infection, producing small tubercles in other parts of the body.
  • moreton bay chestnut — an Australian leguminous tree, Castanospermum australe, having thin smooth bark and yellow or reddish flowers: used in furniture manufacture
  • nickel tetracarbonyl — nickel carbonyl.
  • objective relativism — the doctrine that knowledge of real objects is relative to the individual.
  • off the beaten track — formed or shaped by blows; hammered: a dish of beaten brass.
  • particle beam weapon — a weapon that fires particle beams into the atmosphere or space
  • peasecod breastplate — a breastplate having a long central ridge terminating in a raised area overhanging the waistline.
  • 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)
  • 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.
  • 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
  • public administrator — an official of a city, county, or state government.
  • 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.
  • 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.
  • rocky mountain basic — (language)   The BASIC language used by Hewlett Packard on their 680x0-based computers. Rocky Mountain Basic is good for interfaces to IEEE 488 controls and contains many mathematical and matrix functions. It has about 600 commands. Typical applications include automatic test stations.
  • semiautobiographical — pertaining to or being a fictionalized account of an author's own life.
  • 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.
  • 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.
  • spotted crane's-bill — the American wild geranium, Geranium maculatum.
  • 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.
  • straight-cut tobacco — tobacco that is cut in such a way that it will lie flat.
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