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17-letter words containing r, e, t, o

  • agreement to sell — a contract between two parties in which one party agrees to sell something to the other
  • air-transportable — that can be transported by aircraft: air-transportable equipment.
  • aircraft observer — U.S. Army. observer (def 4).
  • aircraft-observer — someone or something that observes.
  • 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 over the shop — If something is happening all over the shop, it is happening in many different places or throughout a wide area.
  • all the better to — more suitable to
  • all-weather court — a tennis court suitable to be used in all kinds of weather
  • allende meteorite — a carbonaceous chondrite meteorite that fell over northern Mexico in 1969: one of the largest recorded falls of a stony meteorite.
  • alligator snapper — a large, freshwater snapping turtle (Macroclemys temmincki) of the SE U.S. and the Mississippi Valley, found chiefly in rivers and bayous: it may weigh up to 100 kg (220 lb)
  • almost everywhere — everywhere in a given set except on a subset with measure zero. Abbreviation: a.e.
  • alpha-fetoprotein — a protein that forms in the liver of the human fetus. Excessive quantities in the amniotic fluid and maternal blood may indicate spina bifida in the fetus; low levels may point to Down's syndrome
  • altamonte springs — a city in central Florida.
  • alternating group — the subgroup consisting of all even permutations, of the group of all permutations of a finite set.
  • ambrette-seed oil — a yellow oil expressed from ambrette seeds, used as a fixative in the manufacture of perfume.
  • 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.
  • ammonium stearate — a tan, waxlike, water-insoluble solid, C 18 H 39 NO 2 , used chiefly in the manufacture of cosmetics.
  • amoebic dysentery — inflammation of the intestines caused by the parasitic amoeba Endamoeba histolytica
  • an effort of will — If you do something difficult or painful by an effort of will, you manage to make yourself do it.
  • 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.
  • aneroid barometer — a device for measuring atmospheric pressure without the use of fluids. It consists of a partially evacuated metal chamber, the thin corrugated lid of which is displaced by variations in the external air pressure. This displacement is magnified by levers and made to operate a pointer
  • 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
  • angostura bitters — a bitter aromatic tonic made from gentian and various spices and vegetable colourings, used as a flavouring in alcoholic drinks
  • angular leaf spot — a disease of plants, characterized by angular, watery spots on the leaves and fruit, caused by any of several bacteria, as Pseudomonas lachrymans.
  • anionic detergent — any of a class of synthetic compounds whose anions are alkali salts, as soap, or whose ions are ammonium salts.
  • anthraquinone dye — any of the class of dyes derived from anthraquinone, used for dyeing textiles, especially cotton, rayon, and silk.
  • anthropogenically — In an anthropogenic way.
  • anthropogeography — a branch of anthropology dealing with the geographical distribution of humankind and the relationship between human beings and their environment.
  • anthropomorphises — Third-person singular simple present indicative form of anthropomorphise.
  • anthropomorphized — Simple past tense and past participle of anthropomorphize.
  • anthroposemiotics — The study of human communication.
  • 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-profiteering — a person who seeks or exacts exorbitant profits, especially through the sale of scarce or rationed goods.
  • antidazzle mirror — a rear-view mirror for road vehicles that only partially reflects headlights behind
  • antiferromagnetic — noting or pertaining to a substance in which, at sufficiently low temperatures, the magnetic moments of adjacent atoms point in opposite directions.
  • antimycobacterial — (medicine) That counteracts the effects of mycobacteria.
  • antiproliferation — opposing an increase in nuclear weapons, especially in allowing additional countries to obtain them.
  • antiproliferative — of or relating to a substance used to prevent or retard the spread of cells, especially malignant cells, into surrounding tissues.
  • antirevolutionary — opposed to revolution, esp opposed to a particular revolution and the people who are carrying it out
  • anytime algorithm — (algorithm)   An algorithm that returns a sequence of approximations to the correct answer such that each approximation is no worse than the previous one, i.e. the algorithm can be stopped at _any time_. x = (x + b / x) / 2 Each new x is closer to the square root than the previous one. Applications might include a real-time control system or a chess program that is allowed a fixed thinking time.
  • apartment complex — An apartment complex is a group of buildings that contain apartments and are managed by the same company.
  • aperture priority — an automatic exposure system in which the photographer selects the aperture and the camera then automatically sets the correct shutter speed
  • aperture-priority — of or relating to a semiautomatic exposure system in which the photographer presets the aperture and the camera selects the shutter speed.
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