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23-letter words containing a, e, r, o, s, t

  • chi-square distribution — a continuous single-parameter distribution derived as a special case of the gamma distribution and used esp to measure goodness of fit and to test hypotheses and obtain confidence intervals for the variance of a normally distributed variable
  • chronic wasting disease — a disease found among members of the deer family, a type of transmissible spongiform encephalopathy
  • civil aeronautics board — the former federal agency (1938–85) that regulated airline fares and assigned routes. Abbreviation: CAB, C.A.B.
  • combinatorial chemistry — the use of chemical methods to generate all possible combinations of chemicals
  • come apart at the seams — come unstitched
  • communications software — (communications, software)   Application programs, operating system components, and probably firmware, forming part of a communication system. These different software components might be classified according to the functions within the Open Systems Interconnect model which they provide. Typical applications include a web browser, Mail User Agent, chat and telnet.
  • communist international — Third International.
  • communist-international — an international organization (1919–43), founded in Moscow, uniting Communist groups of various countries and advocating the attainment of their ends by violent revolution. Also called Comintern, Communist International. Compare international (def 6).
  • compact disc read-write — Compact Disc Rewritable
  • compact disc recordable — (storage)   (CD-R) A write-once version of CD-ROM. CD-Rs can hold about 650 megabytes of data. They are very durable and can be read by normal CD-ROM drives, but once data has been written it cannot be altered. Standard prerecorded CDs have their information permanently stamped into an aluminium reflecting layer. CD-R discs have a dye-based recording layer and an additional golden reflecting layer. Digital information is written to the disc by burning (forming) pits in the recording layer in a pattern corresponding to that of a conventional CD. The laser beam heats the substrate and recording layer to approximately 250 C. The recording layer melts and the substrate expands into the space that becomes available. See also CD-RW and DVD-RAM.
  • compact disc rewritable — (storage)   (CD-RW) A rewritable version of CD-ROM. A CD-RW drive can write about 650 megabytes of data to CD-RW media an unlimited number of times. Most CD-RW drives can also write once to CD-R media. CD-RW media cannot be read by CD-ROM drives built prior to 1997 due to the reduced reflectivity (15% compared to 70%) of CD-RW media. CD-RW drives and media are currently (1999) more expensive than CD-R drives and media. CD-R is sometimes considered a better technology for archival purposes as the data cannot be accidentally modified or tampered with, and encourages better archival practices. Standard prerecorded CDs have their information permanently stamped into an aluminium reflecting layer. CD-WR discs have a phase-change recording layer and an additional silver (aluminium) reflecting layer. A laser beam can melt crystals in the recording layer into a non-crystalline amorphous phase or anneal them slowly at a lower temperature back to the crystalline state. The different reflectance of the areas make them appear as the 'pits' and 'lands' of a standard CD. See also CD-R and DVD-RAM.
  • comparative advertising — a form of advertising in which a product is compared favourably with similar products on the market
  • comparative linguistics — the study of the correspondences between languages that have a common origin.
  • completely normal space — a normal topological space in which every subspace is normal.
  • composite colour signal — a colour television signal in which luminance and two chrominance components are encoded into a single signal
  • computer-based training — Computer-Aided Instruction
  • concertgebouw orchestra — an Amsterdam orchestra, established in 1888, that has been independent of the Concertgebouw hall since World War II
  • concrete data structure — (theory)   (CDS) A model of programming language terms developed in the context of constructing fully abstract semantics for sequential languages. A CDS is a 4-tuple (C,V,E,|-) where C is a cell, V is a value, E is an event and |- is an "enabling relation". An event is a cell and a value. A cell C is "enabled" by a set of events S if S |- C. A state is a set of events which are consistent in that the values they give for any cell are all equal. Every cell in a state is enabled.
  • conservative evaluation — (programming)   Under this parallel evaluation strategy, no evaluation is started unless it is known to be needed. The opposite of conservative evaluation is speculative evaluation.
  • consolidated deliveries — deliveries of goods to different shops in a common location by a single carrier and in a single vehicle
  • constant of integration — a constant that is added to the function obtained by evaluating the indefinite integral of a given function, indicating that all indefinite integrals of the given function differ by, at most, a constant.
  • conversion to iteration — A transformation applied to functional programs to replace recursion with iteration. A tail-recursive function can be compiled to an iterative loop where the recursive call becomes a jump back to the start and the parameters are held in registers which are updated with new values each time around the loop. See Iteration, Tail recursion optimisation.
  • corporate restructuring — a change in the business strategy of an organization resulting in diversification, closing parts of the business, etc, to increase its long-term profitability
  • cost-of-living increase — a pay rise that is given because the cost of living has gone up
  • court of first instance — a court in which legal proceedings are begun or first heard
  • creative writing course — a course in which people are taught creative writing skills
  • critique of pure reason — a philosophical work (1781) by Immanuel Kant.
  • cryptococcal meningitis — a form of meningitis resulting from opportunistic infection by a cryptococcus fungus, occurring in persons who are immunodeficient.
  • current-cost accounting — a method of accounting that values assets at their current replacement cost rather than their original cost
  • cylindrical coordinates — three coordinates defining the location of a point in three-dimensional space in terms of its polar coordinates (r, θ) in one plane, usually the (x, y) plane, and its perpendicular distance, z, measured from this plane
  • d'arsonval galvanometer — a galvanometer consisting of a large, fixed magnet and a light coil that swings in the magnetic field.
  • dacryocystorhinostomies — Plural form of dacryocystorhinostomy.
  • delayed stress reaction — a post-traumatic stress disorder occurring more than six months after the experience of a traumatic event.
  • deterministic automaton — (theory)   A finite-state automaton in which the overall course of the computation is completely determined by the program, the starting state, and the initial inputs. The class of problems solvable by such automata is the class P (see polynomial-time algorithm).
  • diamondback rattlesnake — either of two large, highly venomous rattlesnakes of the genus Crotalus, having diamond-shaped markings on the back.
  • differential psychology — the branch of psychology dealing with the study of characteristic differences or variations of groups or individuals, especially through the use of analytic techniques and statistical methods.
  • digital subscriber loop — Digital Subscriber Line
  • discrimination learning — a learning process in which an organism learns to react differently to different stimuli
  • disintegration constant — decay constant.
  • disjunctive normal form — (DNF) A logical formula consisting of a disjunction of conjunctions where no conjunction contains a disjunction. E.g. the DNF of (A or B) and C is (A and C) or (B and C).
  • dissociate oneself from — to deny or repudiate any connection with
  • dissociative extraction — Dissociative extraction is when a component is divided between two liquids, which involves breakdown of the component.
  • do someone's heart good — to make someone happy; please someone
  • dollar (cost) averaging — see average (sense 11)
  • draw/make a distinction — If you draw a distinction or make a distinction, you say that two things are different.
  • drop into someone's lap — to cause to be someone's responsibility
  • dual sensory impairment — the condition of being affected by sight and hearing loss
  • earthquake-proof design — Earthquake-proof design is design which will not be badly damaged by earthquakes or tsunamis.
  • eastern lowland gorilla — the largest of the anthropoid apes, Gorilla gorilla, terrestrial and vegetarian, of western equatorial Africa and the Kivu highlands, comprising the subspecies G. g. gorilla (western lowland gorilla) G. g. graueri (eastern lowland gorilla) and G. g. beringei (mountain gorilla) now rare.
  • eastern orthodox church — Orthodox Church (def 1).
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