17-letter words containing a, c, r, i
- 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.
- allergic rhinitis — a condition characterized by head congestion, sneezing, tearing, and swelling of the nasal mucous membranes, caused by an allergic reaction.
- alphaphotographic — Of or pertaining to alphaphotographics.
- 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
- 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.
- 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.
- anachronistically — In an anachronistic manner; in the manner of an anachronism.
- 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
- 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
- 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
- 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.
- 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-interference — intended to reduce electronic interference during radio transmissions
- anticipatory loss — grief that is felt in anticipation of someone's death
- 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.