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15-letter words containing c, a, t

  • actinium series — a radioactive decay series that starts with uranium-235 and ends with lead-207
  • actinochemistry — the branch of chemistry dealing with actinism; photochemistry.
  • actinopterygian — belonging or pertaining to the Actinopterygii, a group of bony fishes.
  • action painting — a development of abstract expressionism evolved in the 1940s, characterized by broad vigorous brush strokes and accidental effects of thrown, smeared, dripped, or spattered paint
  • action reporter — a news reporter who reports to the public on matters of special interest to the consumer.
  • action stations — the positions taken up by individuals in preparation for or during a battle
  • active hydrogen — hydrogen in the form of single atoms, rather than molecules, which makes it extremely reactive.
  • active immunity — immunity (to a disease) due to the production of antibodies by the body
  • activity method — a type of teaching in which students acquire knowledge and understanding by participating in a set of specially designed activities, rather than by passively listening to a teacher
  • activity series — a table of metals, listed in the order of their ability to replace other metals while in solution
  • actual argument — (programming)   A value, expression, or reference passed to a function or subroutine when it is called and which replaces or is bound to the corresponding formal argument. See: argument.
  • acute bisectrix — See under bisectrix (def 1).
  • acyclic terpene — (originally) any of a class of monocyclic hydrocarbons of the formula C 10 H 16 , obtained from plants.
  • adaptive optics — a technique used to increase the resolution of a ground-based astronomical telescope by counteracting the effects of the atmosphere on the image. A deforming mirror in the light path of the telescope maintains a pointlike image of the celestial body using either a real star or a laser beam as a reference
  • adenoidectomies — Plural form of adenoidectomy.
  • adhesive factor — the ratio of the force that can be exerted on driving wheels with full traction to the weight on the driving wheels, usually expressed as a percentage.
  • adiabatic chart — a graph for the analysis of adiabatic processes.
  • adjacent angles — two angles that have the same vertex and a side in common
  • adjective group — An adjective group or adjectival group is a group of words based on an adjective, such as 'very nice' or 'interested in football'. An adjective group can also consist simply of an adjective.
  • adjectivization — Grammar. to make into an adjective, as by adding a suffix: The noun mirth can be adjectivized by adding -ful or -less to form the adjectives mirthful and mirthless.
  • admiralty cloth — melton cloth, used for coats and jackets, especially for the naval service.
  • admiralty court — the court that has jurisdiction in matters relating to maritime law
  • adoption agency — an agency that matches children needing adoption with people willing to adopt
  • adrenalectomies — Plural form of adrenalectomy.
  • adrenoreceptors — Plural form of adrenoreceptor.
  • adult education — Adult education is education for adults in a variety of subjects, most of which are practical, not academic. Classes are often held in the evenings.
  • advance payment — a sum of money paid in advance as a part or the whole of the sum due
  • advanced credit — credit toward a degree allowed to a student by a college for courses taken elsewhere or for high scores on preliminary examinations
  • advantage court — the receiver's left-hand service court, into which the ball is served when one side has the advantage.
  • advent calendar — a large card with a brightly coloured sometimes tinselled design on it that contains small numbered doors for children to open on each of the days of Advent, revealing pictures beneath them
  • advocate depute — a Scottish law officer with the functions of public prosecutor
  • aegyptopithecus — a genus of extinct anthropoid ape of the Oligocene Period known from remains found in Egypt.
  • aerodynamicists — Plural form of aerodynamicist.
  • aeroplane cloth — a strong fabric made from cotton, linen, and nylon yarns, used for some light aircraft fuselages and wings
  • afternoon watch — the watch from noon until 4 p.m.
  • aggregate score — a score calculated by adding the results of several matches
  • agranulocytosis — a serious and sometimes fatal illness characterized by a marked reduction of leucocytes, usually caused by hypersensitivity to certain drugs
  • agriculturalist — An agriculturalist is someone who is an expert on agriculture and who advises farmers.
  • agulhas current — a fast, warm ocean current flowing southwest along the SE coast of Africa
  • air conditioned — If a room or vehicle is air conditioned, the air in it is kept cool and dry by means of a special machine.
  • air conditioner — An air conditioner is a machine which keeps the air in a building cool and dry.
  • airborne attack — an attack involving airborne troops
  • airconditioning — Alternative spelling of air conditioning.
  • aircraft hangar — a large workshop or building for storing and maintaining aircraft
  • airmail sticker — a sticker that is put on airmail letters to make sure they are not sent by surface mail
  • akinetic mutism — a state of apparent alertness with normal eye movements but no speech or other voluntary motion, usually due to a stroke.
  • alberta clipper — (in Canada) an area of low pressure that forms in winter near the Rocky Mountains
  • alcohol content — the amount of alcohol that is present in an alcoholic drink
  • alder buckthorn — a Eurasian rhamnaceous shrub, Frangula alnus, with small greenish flowers and black berry-like fruits
  • algorithmically — Using an algorithm.
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