17-letter words containing a, r, e, n, i
- 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.
- 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
- 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.
- 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
- 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.
- 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
- andreanof islands — a group of islands in the central Aleutian Islands, Alaska. Area: 3710 sq km (1432 sq miles)
- aneroid barograph — an aneroid barometer equipped with an automatic recording mechanism.
- 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
- angra do heroismo — a port in the Azores, on Terceira Island. Pop: 35 581 (2001)
- 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 machine — An answering machine is the same as an answerphone.
- 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.
- answering service — a business that answers telephone calls on behalf of another business or organization, taking messages from and providing information to callers
- 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.
- 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-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