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21-letter words containing r, t, c

  • functional imperative — a requirement for the survival of any social system, as communication, control of conflict, or socialization.
  • fundamental frequency — the lowest frequency at which a medium will freely oscillate.
  • garbageabetical order — (humour)   1. The result of using an insertion sort to merge data into an unsorted list. 2. The state of any file or list that is supposed to be sorted, but is not.
  • gastrohepatic omentum — lesser omentum.
  • geiger-muller counter — an instrument for detecting ionizing radiations, consisting of a gas-filled tube in which electric-current pulses are produced when the gas is ionized by radiation, and of a device to register these pulses: used chiefly to measure radioactivity.
  • general court-martial — a court-martial having the authority to try any offense against military law and to impose a sentence of dishonorable discharge or of death when provided by law.
  • generic type variable — (programming)   (Also known as a "schematic type variable"). Different occurrences of a generic type variable in a type expression may be instantiated to different types. Thus, in the expression let id x = x in (id True, id 1) id's type is (for all a: a -> a). The universal quantifier "for all a:" means that a is a generic type variable. For the two uses of id, a is instantiated to Bool and Int. Compare this with let id x = x in let f g = (g True, g 1) in f id This looks similar but f has no legal Hindley-Milner type. If we say f :: (a -> b) -> (b, b) this would permit g's type to be any instance of (a -> b) rather than requiring it to be at least as general as (a -> b). Furthermore, it constrains both instances of g to have the same result type whereas they do not. The type variables a and b in the above are implicitly quantified at the top level: f :: for all a: for all b: (a -> b) -> (b, b) so instantiating them (removing the quantifiers) can only be done once, at the top level. To correctly describe the type of f requires that they be locally quantified: f :: ((for all a: a) -> (for all b: b)) -> (c, d) which means that each time g is applied, a and b may be instantiated differently. f's actual argument must have a type at least as general as ((for all a: a) -> (for all b: b)), and may not be some less general instance of this type. Type variables c and d are still implicitly quantified at the top level and, now that g's result type is a generic type variable, any types chosen for c and d are guaranteed to be instances of it. This type for f does not express the fact that b only needs to be at least as general as the types c and d. For example, if c and d were both Bool then any function of type (for all a: a -> Bool) would be a suitable argument to f but it would not match the above type for f.
  • geometric progression — a sequence of terms in which the ratio between any two successive terms is the same, as the progression 1, 3, 9, 27, 81 or 144, 12, 1, 1/12, 1/144.
  • gestalt psychotherapy — a therapy devised in the US in the 1960s in which patients are encouraged to concentrate on the immediate present and to express their true feelings
  • get on the scoresheet — In football, rugby, and some other sports, if a player gets on the scoresheet, he or she scores one or more goals, tries, or points.
  • get one's breath back — When you get your breath back after doing something energetic, you start breathing normally again.
  • get-rich-quick scheme — a scheme that promises to make a person extremely wealthy over a short period of time, often at with little effort and at no risk
  • gilt-edged securities — government securities on which interest payments will certainly be met and that will certainly be repaid at par on the due date
  • glacier national park — a national park in NW Montana: glaciers; lakes; forest reserve. 1534 sq. mi. (3970 sq. km).
  • glyceryl tripalmitate — palmitin.
  • gobject introspection — (programming)   A GNOME project that defines a syntax for introspection annotation pragmas to be used in the GObject library source code. Rather than actual introspection, these are intended to allow automatic generation of bindings (APIs) to expose the library to higher-level languages. The sort of information provided is the type and direction (in, out, inout) of function parameters and the responsibility for freeing memory used by data structures.
  • goldbach's conjecture — the conjecture that every even number greater than two is the sum of two prime numbers
  • government securities — securities issued by the US Government
  • gram-molecular weight — gram molecule. Abbreviation: GMW.
  • grammatical inference — Deducing a grammar from given examples. Also known as "inductive inference" and recently as "computational learning".
  • great victoria desert — a desert in SW central Australia. 125,000 sq. mi. (324,000 sq. km).
  • greek orthodox church — the branch of the Orthodox Church constituting the national church of Greece.
  • greenwich observatory — the national astronomical observatory of Great Britain, housed in a castle in E Sussex; formerly located at Greenwich.
  • ground-effect machine — ACV (def 2).
  • guaranteed scheduling — (algorithm)   A scheduling algorithm used in multitasking operating systems that guarantees fairness by monitoring the amount of CPU time spent by each user and allocating resources accordingly.
  • harriet beecher stowe — Harriet (Elizabeth) Beecher, 1811–96, U.S. abolitionist and novelist.
  • have a strong stomach — not to be prone to nausea
  • have the inside track — If you say that someone has the inside track, you mean that they have an advantage, for example special knowledge about something.
  • hay-pauncefote treaty — an agreement (1901) between the U.S. and Great Britain giving the U.S. the sole right to build a canal across Central America connecting the Atlantic and Pacific.
  • heliocentric parallax — the apparent displacement of an observed object due to a change in the position of the observer.
  • henry steele commager — Henry Steele, 1902–98, U.S. historian, author, and teacher.
  • hierarchical database — (database)   A kind of database management system that links records together like a family tree such that each record type has only one owner, e.g. an order is owned by only one customer. Hierarchical structures were widely used in the first mainframe database management systems. However, due to their restrictions, they often cannot be used to relate structures that exist in the real world.
  • high court of justice — an English court formed in 1873 from several superior courts and consisting of a court of original jurisdiction (High Court of Justice) and an appellate court (Court of Appeal)
  • higher-order function — (HOF) A function that can take one or more functions as argument and/or return a function as its value. E.g. map in (map f l) which returns the list of results of applying function f to each of the elements of list l. See also curried function.
  • highest common factor — greatest common divisor. Abbreviation: H.C.F.
  • historic places trust — (in New Zealand) the statutory body concerned with the conservation of historic buildings, esp with ancient Māori sites
  • homolosine projection — an equal-area projection of the world, distorting ocean areas in order to minimize the distortion of the continents.
  • horns and halo effect — a tendency to allow one's judgement of another person, esp in a job interview, to be unduly influenced by an unfavourable (horns) or favourable (halo) first impression based on appearances
  • human rights activist — a person who campaigns for human rights
  • hydraulic accumulator — an apparatus in which gas, usually air, is used as a cushion or shock absorber in a hydraulic system.
  • hypercholesterolaemia — the condition of having a high concentration of cholesterol in the blood
  • hyperkinetic disorder — another name for attention deficit hyperactivity disorder (ADHD)
  • ibm customer engineer — (job)   (CE) A hardware guy from IBM.
  • identical proposition — a proposition in which the subject and predicate have the same meaning, as, “That which is mortal is not immortal.”.
  • identification papers — documents that serve to establish someone's identity
  • identification parade — a group of persons including one suspected of having committed a crime assembled for the purpose of discovering whether a witness can identify the suspect
  • ieee computer society — (body)   The society of the IEEE which publishes the journal "Computer".
  • immunoelectrophoresis — a technique for the separation and identification of mixtures of proteins, consisting of electrophoresis followed by immunodiffusion.
  • immunoelectrophoretic — a technique for the separation and identification of mixtures of proteins, consisting of electrophoresis followed by immunodiffusion.
  • imperfect competition — economics: when sb has excessive influence on market price
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