17-letter words containing a, n, t, i, r
- 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.
- alternating light — a beacon showing different colors in succession.
- alternative music — independent pop music
- altitude training — training performed at high altitude to prepare an athlete's body to cope with a reduced supply of oxygen
- 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 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 redstart — any of several small, Old World thrushes, usually with reddish-brown tails, especially Phoenicurus phoenicurus (European redstart)
- 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
- 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.
- 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.
- anachronistically — In an anachronistic manner; in the manner of an anachronism.
- anagrammatization — Transformation of a word, etc. into its anagram.
- 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
- 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
- angry fruit salad — (abuse) A bad visual-interface design that uses too many colours. (This term derives, of course, from the bizarre day-glo colours found in canned fruit salad). Too often one sees similar effects from interface designers using colour window systems such as X; there is a tendency to create displays that are flashy and attention-getting but uncomfortable for long-term use.
- animal experiment — an experiment involving non-human animals
- anionic detergent — any of a class of synthetic compounds whose anions are alkali salts, as soap, or whose ions are ammonium salts.
- answering pennant — one of the flags of the International Code of Signals, a pennant of three red and two white vertical stripes, flown at the dip while a message is being interpreted and close up when it is understood.
- anthracosilicosis — a form of pneumoconiosis occurring in miners, caused by the inhalation of coal and siliceous particles.
- 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.
- anthropologically — the science that deals with the origins, physical and cultural development, biological characteristics, and social customs and beliefs of humankind.
- anthropomorphises — Third-person singular simple present indicative form of anthropomorphise.
- anthropomorphized — Simple past tense and past participle of anthropomorphize.
- anthropomorphosis — transformation into human form
- anthropophaginian — (nonce, humorous) One who eats human flesh.
- anthroposemiotics — The study of human communication.
- anti-aircraft gun — a gun intended to destroy enemy aircraft
- 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-humanitarian — having concern for or helping to improve the welfare and happiness of people.
- anti-inflammatory — reducing inflammation
- anti-inflationary — of or relating to measures to counteract or combat inflation
- anti-interference — intended to reduce electronic interference during radio transmissions
- anti-profiteering — a person who seeks or exacts exorbitant profits, especially through the sale of scarce or rationed goods.
- anti-totalitarian — of or relating to a centralized government that does not tolerate parties of differing opinion and that exercises dictatorial control over many aspects of life.
- antiauthoritarian — Opposed to authority.
- anticipatory loss — grief that is felt in anticipation of someone's death
- antidazzle mirror — a rear-view mirror for road vehicles that only partially reflects headlights behind