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17-letter words containing a, c, e, r

  • aircraft-observer — someone or something that observes.
  • alcala de henares — city in central Spain, near Madrid: pop. 159,000
  • algorithmic model — (programming)   A method of estimating software cost using mathematical algorithms based on the parameters which are considered to be the major cost drivers. These estimate of effort or cost are based primarily on the size of the software or Delivered Source Instructions (DSI)s, and other productivity factors known as Cost Driver Attributes. See also Parametric Model.
  • all over the occy — in every direction
  • all-weather court — a tennis court suitable to be used in all kinds of weather
  • allergic rhinitis — a condition characterized by head congestion, sneezing, tearing, and swelling of the nasal mucous membranes, caused by an allergic reaction.
  • alternative music — independent pop music
  • aluminum chloride — a yellow-white, crystalline, water-soluble solid that in its white hydrated form, AlCl 3 ⋅6H 2 O, is used chiefly as a wood preservative and in its yellow-white anhydrous form, AlCl 3 , chiefly as a catalyst.
  • amateur dramatics — theatrical performances by amateur players
  • ambulance service — the public organization that operates ambulances in a country
  • american chestnut — any of the several deciduous trees constituting the genus Castanea, of the beech family, having toothed, oblong leaves and bearing edible nuts enclosed in a prickly bur, and including C. dentata (American chestnut) which has been virtually destroyed by the chestnut blight, C. sativa (European chestnut) C. mollissima (Chinese chestnut) and C. crenata (Japanese chestnut)
  • american dialects — regional or social varieties of spoken American English identified by differences in grammar, vocabulary, and pronunciation: principal dialect areas are now generally distinguished as Northern, Midland, and Southern
  • american dog tick — a common tick, Dermacentor variabilis, that is the vector of Rocky Mountain spotted fever in the eastern U.S. and also carries tularemia.
  • american flagfish — flagfish (def 1).
  • american football — American football is a game similar to rugby that is played by two teams of eleven players using an oval-shaped ball. Players try to score points by carrying the ball to their opponents' end of the field, or by kicking it over a bar fixed between two posts.
  • american foxhound — one of an American breed of medium-sized dogs having a smooth, glossy coat usually black, tan, and white in color, a square-cut muzzle, hanging ears, and a moderately high-set tail, used for hunting both in packs or individually, tailing the game by scent.
  • american highland — a region in Antarctica, W of Enderby Land and E of Wilkes Land: discovered 1939.
  • american hornbeam — any North American shrub or tree belonging to the genus Carpinus, of the birch family, yielding a hard, heavy wood, as C. caroliniana (American hornbeam)
  • american mulberry — See under mulberry (def 2).
  • american redstart — any of several small, Old World thrushes, usually with reddish-brown tails, especially Phoenicurus phoenicurus (European redstart)
  • american wirehair — a breed of medium-large cat with a coarse wiry coat
  • american woodbine — a North American plant, related to the honeysuckle, Lonicera caprifolium
  • american wormseed — a plant with seeds used in medicine to treat worm infestation, Chenopodium ambrosioides
  • american-flagfish — flagfish (def 1).
  • ammonium chloride — a white soluble crystalline solid used chiefly as an electrolyte in dry batteries and as a mordant and soldering flux. Formula: NH4Cl
  • amoebic dysentery — inflammation of the intestines caused by the parasitic amoeba Endamoeba histolytica
  • amphitheatrically — In a manner such as to appear to have some characteristics of an amphitheatre.
  • anabolic steroids — a synthetic derivative of testosterone, sometimes used by athletes to help increase weight and strength.
  • analogue computer — (computer, hardware)   A machine or electronic circuit designed to work on numerical data represented by some physical quantity (e.g. rotation or displacement) or electrical quantity (e.g. voltage or charge) which varies continuously, in contrast to digital signals which are either 0 or 1. For example, the turning of a wheel or changes in voltage can be used as input. Analogue computers are said to operate in real time and are used for research in design where many different shapes and speeds can be tried out quickly. A computer model of a car suspension allows the designer to see the effects of changing size, stiffness and damping.
  • analytic geometry — the branch of geometry in which a coordinate graphing system makes visible, using points, lines, and curves, the numerical relationships of algebraic equations
  • anchor escapement — an escapement in which wedge-shaped pallets engage with an escape wheel having pointed teeth, usually facing in the direction of revolution, so that the escape wheel recoils slightly at every release.
  • angle of friction — the angle of a plane to the horizontal when a body placed on the plane will just start to slide. The tangent of the angle of friction is the coefficient of static friction
  • angular frequency — the frequency of a periodic process, wave system, etc, expressed in radians per second
  • anionic detergent — any of a class of synthetic compounds whose anions are alkali salts, as soap, or whose ions are ammonium salts.
  • answering machine — An answering machine is the same as an answerphone.
  • answering service — a business that answers telephone calls on behalf of another business or organization, taking messages from and providing information to callers
  • anthropogenically — In an anthropogenic way.
  • anthroposemiotics — The study of human communication.
  • anti-bureaucratic — of, relating to, or characteristic of a bureaucrat or a bureaucracy; arbitrary and routine.
  • anti-carcinogenic — any substance or agent that tends to produce a cancer.
  • anti-conservatism — the disposition to preserve or restore what is established and traditional and to limit change.
  • anti-conservative — disposed to preserve existing conditions, institutions, etc., or to restore traditional ones, and to limit change.
  • anti-hierarchical — of, belonging to, or characteristic of a hierarchy.
  • anti-interference — intended to reduce electronic interference during radio transmissions
  • antiferromagnetic — noting or pertaining to a substance in which, at sufficiently low temperatures, the magnetic moments of adjacent atoms point in opposite directions.
  • antihyperglycemic — (of a medication or treatment) Tending to reduce hyperglycemia (high blood sugar, characteristic of diabetes).
  • antimaterialistic — Opposing materialism.
  • antimycobacterial — (medicine) That counteracts the effects of mycobacteria.
  • apartment complex — An apartment complex is a group of buildings that contain apartments and are managed by the same company.
  • api gravity scale — the American Petroleum Institute gravity scale: a universally accepted scale of the relative density of fluids that is used in fuel technology and is measured in degrees API. One degree API is equal to (141.5/d)–131.5, where d = relative density at 288.7K
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