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20-letter words containing a, n

  • consultant physician — a physician who has attained the rank of consultant in a particular speciality
  • contact metamorphism — localized metamorphism resulting from the heat of an igneous intrusion.
  • context of situation — the totality of extralinguistic features having relevance to a communicative act.
  • context-free grammar — (grammar)   (CFG) A grammar where the syntax of each constituent (syntactic category or terminal symbol) is independent of the symbols occuring before and after it in a sentence. A context-free grammar describes a context-free language. Context-free grammars can be expressed by a set of "production rules" or syntactic rules. For example, a language with symbols "a" and "b" that must occur in unequal numbers can be represented by the CFG: S → U | V U → TaU | TaT | UaT V → TbV | TbT | VbT T → aTbT | bTaT | ε meaning the top-level category "S" consists of either a "U" or a "V" and so on. The special category "ε" represents the empty string. This grammar is context-free because each rule has a single symbol on its left-hand side.
  • continental congress — the assembly of delegates from the North American rebel colonies held during and after the War of American Independence. It issued the Declaration of Independence (1776) and framed the Articles of Confederation (1777)
  • contingency planning — planning for future events that seem less likely than others
  • contingent liability — a possible liability that is dependent on the outcome of a future event
  • continuing education — Continuing education is education for adults in a variety of subjects, most of which are practical, not academic.
  • continuing-education — adult education.
  • continuity announcer — A continuity announcer is someone who introduces the next programme on a radio or television station.
  • continuous variation — variation in phenotypic traits such as body weight or height in which a series of types are distributed on a continuum rather than grouped into discrete categories. Compare discontinuous variation.
  • contradistinguishing — Present participle of contradistinguish.
  • controlled substance — a drug regulated by the Federal Controlled Substances Acts, including opiates, depressants, stimulants, and hallucinogens
  • convective discharge — the repulsion of ions of a gas by a highly charged body, creating a discernible wind.
  • conventional weapons — weapons which are not nuclear
  • conversation stopper — a comment that is so shocking or boring that people stop talking
  • coordination complex — one of a number of complex compounds in which an atom or group of atoms is bound to the central atom by a shared pair of electrons supplied by the coordinated group and not by the central atom
  • copulative asyndeton — a staccato effect produced by omitting copulative connectives between two or more items in a group, as in “Friends, Romans, countrymen.”.
  • corporate governance — the balance of control between the stakeholders, managers, and directors of an organization
  • correctional officer — a prison guard
  • corresponding angles — a pair of nonadjacent angles, one interior and one exterior, on the same side of a transversal: these paired angles are equal if the lines cut by the transversal are parallel
  • council-manager plan — (in the US) a system of local government with an elected legislative council and an appointed administrative manager
  • counter-inflationary — designed to reduce inflation
  • counterdemonstration — a demonstration that is held in reaction to another demonstration
  • counterproliferation — Action intended to prevent an increase or spread in the possession of nuclear weapons.
  • counterrevolutionary — Counterrevolutionary activities are activities intended to reverse the effects of a previous revolution.
  • covenant of warranty — warranty (def 2b).
  • covenant-of-warranty — warranty (def 2b).
  • craft apprenticeship — a period of training for a skilled trade in industry, such as for a plumber or electrician
  • craniosacral therapy — a form of therapy for various disorders in which the therapist manipulates the bones of the skull
  • creative imagination — the faculty of imagining, or of forming mental images or concepts of what is not actually present to the senses.
  • credit card terminal — A credit card terminal is a piece of equipment that you use to read the information on a credit card and charge a cost to it.
  • crime against nature — Law. sodomy.
  • crime and punishment — a novel (1866) by Feodor Dostoevsky.
  • criminal proceedings — action taken in a court to bring a criminal prosecution against someone
  • criminal syndicalism — the doctrine of recourse to acts of violence or terrorism, or the advocacy of such acts, as a means of effecting economic or political change: proscribed by statute in many U.S. states.
  • cross someone's palm — to give someone money
  • cross someone's path — to meet or thwart someone
  • crossword dictionary — a dictionary that lists common clues found in crossword puzzles with potential answer words. In books, the lists are usually sorted by the number of letters in the answer, while an online crossword dictionary, such as the Dictionary.com Crossword Solver, is able to analyze queries electronically, examining either the clue or the number and pattern of letters already filled in to arrive at suggested answers.
  • crude oil evaluation — Crude oil evaluation is the process of assessing the chemical and physical properties of crude oil, against particular standards.
  • cut one's own throat — to be the means of one's own ruin
  • cut the gordian knot — to find a quick, bold solution for a perplexing problem
  • cycloidal propulsion — propulsion of a vessel by propellers of controllable pitch that steer as well as propel.
  • cylinder head gasket — (in an automobile engine) a gasket placed between the cylinder and the cylinder heads to avoid leaks of coolant and compression
  • cytosine arabinoside — cytarabine.
  • data dictionary file — (database)   (DDF) A set of files describing the structure of a database file. DDFs define database tables and include information about file locations, field layouts and indexes. DDFs are the standard method for defining field and index characteristics for Btrieve files.
  • 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).
  • daylight saving time — Daylight Saving Time is a period of time in the summer when the clocks are set one hour forward, so that people can have extra light in the evening.
  • daylight-saving time — the civil time observed when daylight saving is adopted in a country or community.
  • de facto segregation — racial, ethnic, or other segregation resulting from societal differences between groups, as socioeconomic or political disparity, without institutionalized legislation intended to segregate.
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