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17-letter words containing c, o, a

  • addition reaction — a reaction in which part of a compound is added to one end of a double or triple bond, while the rest adds to the other end, converting it, respectively, to a single or double bond.
  • adjective pronoun — a pronoun used as an adjective, as his in His dinner is ready.
  • adjunct professor — a professor employed by a college or university for a specific purpose or length of time and often part-time.
  • adverse selection — Adverse selection is a term used to describe the tendency of those in dangerous jobs or with high-risk lifestyles to want to take out life insurance.
  • advocatus diaboli — devil's advocate
  • aerobic digestion — Aerobic digestion is a process which uses bacteria and oxygen to break down organic and biological waste.
  • aerobic-exercises — Also called aerobic exercises. (used with a plural verb) any of various sustained exercises, as jogging, rowing, swimming, or cycling, that stimulate and strengthen the heart and lungs, thereby improving the body's utilization of oxygen.
  • aerothermodynamic — Of or pertaining to aerothermodynamics.
  • african army worm — the caterpillar of a widely distributed noctuid moth, Spodoptera exempta, which travels in vast hordes and is a serious pest of cereal crops and grasses in Africa and parts of Australia
  • against the clock — If you are doing something against the clock, you are doing it in a great hurry, because there is very little time.
  • agathokakological — (nonce word) composed of both good and evil.
  • age of discretion — the age at which a person is considered to be able to manage his or her own affairs
  • agent provocateur — An agent provocateur is a person who is employed by the government or the police to encourage certain groups of people to break the law, so they can arrest them or make them lose public support.
  • agricultural show — a display of agricultural equipment and livestock, often including competitions, entertainment, and a trade fair
  • aircraft observer — U.S. Army. observer (def 4).
  • aircraft-observer — someone or something that observes.
  • alcohol poisoning — the ingestion of a lethal or potentially lethal amount of alcohol
  • 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
  • almanach de gotha — a publication giving statistical information on European royalty.
  • alphaphotographic — Of or pertaining to alphaphotographics.
  • 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.
  • 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 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 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 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
  • amino-acid dating — a method used to date an organic geological or archaeological specimen, as a fossil or mummified body, by determining how much change has occurred in the amino-acid structure of that specimen.
  • aminobenzoic acid — a derivative of benzoic acid existing in three isomeric forms, the para- form being used in the manufacture of dyes and sunburn preventatives. Formula: NH2C6H4COOH
  • 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
  • amor vincit omnia — love conquers everything
  • amphidromic point — a point of almost zero tidal fluctuation on the ocean surface, represented on a chart of cotidal lines by a point from which these lines radiate.
  • anabolic steroids — a synthetic derivative of testosterone, sometimes used by athletes to help increase weight and strength.
  • anachronistically — In an anachronistic manner; in the manner of an anachronism.
  • 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.
  • ancienne noblesse — the ancient nobility, especially of the ancien régime.
  • angiocardiography — the making of X-ray pictures of the heart and its blood vessels after injecting a radiopaque substance
  • 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
  • anglo-catholicism — the tradition or form of worship in the Anglican Church that emphasizes Catholicity, the apostolic succession, and the continuity of all churches within the communion with pre-Reformation Christianity as well as the importance of liturgy and ritual.
  • anionic detergent — any of a class of synthetic compounds whose anions are alkali salts, as soap, or whose ions are ammonium salts.
  • annunciation lily — Madonna lily.
  • anomalistic month — the interval between two successive passages of the moon through perigee; 27.55455 days
  • anthracosilicosis — a form of pneumoconiosis occurring in miners, caused by the inhalation of coal and siliceous particles.
  • anthropogenically — In an anthropogenic way.
  • anthropologically — the science that deals with the origins, physical and cultural development, biological characteristics, and social customs and beliefs of humankind.
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