15-letter words containing a, c, i, e
- adenocarcinomas — Plural form of adenocarcinoma.
- adenoidectomies — Plural form of adenoidectomy.
- adhesive factor — the ratio of the force that can be exerted on driving wheels with full traction to the weight on the driving wheels, usually expressed as a percentage.
- adjective group — An adjective group or adjectival group is a group of words based on an adjective, such as 'very nice' or 'interested in football'. An adjective group can also consist simply of an adjective.
- adjectivization — Grammar. to make into an adjective, as by adding a suffix: The noun mirth can be adjectivized by adding -ful or -less to form the adjectives mirthful and mirthless.
- adoption agency — an agency that matches children needing adoption with people willing to adopt
- adrenalectomies — Plural form of adrenalectomy.
- adult education — Adult education is education for adults in a variety of subjects, most of which are practical, not academic. Classes are often held in the evenings.
- advanced credit — credit toward a degree allowed to a student by a college for courses taken elsewhere or for high scores on preliminary examinations
- advanced higher — the highest level of qualification offered within the school system, replacing the former Certificate of Sixth Year Studies
- adygei republic — a constituent republic of SW Russia, bordering on the Caucasus Mountains: chiefly agricultural but with some mineral resources. Capital: Maikop. Pop: 447 000 (2002). Area: 7600 sq km (2934 sq miles)
- aegyptopithecus — a genus of extinct anthropoid ape of the Oligocene Period known from remains found in Egypt.
- aerial cableway — a transport system in which cars, buckets, etc run on cables.
- aerobic dancing — a system of exercises combining aerobics with dance steps and usually done to music.
- aerodynamically — the branch of mechanics that deals with the motion of air and other gases and with the effects of such motion on bodies in the medium. Compare aerostatics (def 1).
- aerodynamicists — Plural form of aerodynamicist.
- africanized bee — a hybrid of African and European honeybees, developed in Brazil and known for its disease resistance and superior honey production
- air conditioned — If a room or vehicle is air conditioned, the air in it is kept cool and dry by means of a special machine.
- air conditioner — An air conditioner is a machine which keeps the air in a building cool and dry.
- air force cross — a U.S. Air Force decoration awarded for extraordinary heroism in action
- airborne attack — an attack involving airborne troops
- airmail sticker — a sticker that is put on airmail letters to make sure they are not sent by surface mail
- airs and graces — If you refer to someone's airs and graces, you mean that they behave in a way that shows that they think they are more important than other people.
- aix-en-provence — a city and spa in SE France: the medieval capital of Provence. Pop: 145 721 (2006)
- aix-la-chapelle — Aachen
- akinetic mutism — a state of apparent alertness with normal eye movements but no speech or other voluntary motion, usually due to a stroke.
- alberta clipper — (in Canada) an area of low pressure that forms in winter near the Rocky Mountains
- alignment chart — nomogram.
- allegoricalness — the quality of being allegorical
- allelochemicals — Plural form of allelochemical.
- allorecognition — The ability of an individual organism to distinguish its own tissues from those of another.
- alopecia areata — loss of hair in circumscribed patches.
- alpine accentor — a small bird of the sparrow family, Prunella collaris, found especially in mountain regions of S Europe and Asia
- alpine combined — a competition for Alpine skiers in a combination of downhill and slalom races, the winner having the highest total score.
- alsace-lorraine — an area of NE France, comprising the modern regions of Alsace and Lorraine: under German rule 1871–1919 and 1940–44. Area: 14 522 sq km (5607 sq miles)
- aluminosilicate — a silicate in which some of the silicon in the tetrahedral unit SiO4 has been replaced by aluminium
- amaryllidaceous — of, relating to, or belonging to the Amaryllidaceae, a family of widely cultivated flowering plants having bulbs and including the amaryllis, snowdrop, narcissus, and daffodil
- ambulance train — a train designed to carry sick or injured people
- amegakaryocytic — Characterized by a lack of megakaryocytes.
- amenity society — a voluntary society established with the purpose of preserving historic art and architecture
- america firster — a member or supporter of the America First Committee.
- american beauty — a variety of hybrid, perennial red rose
- american blight — any plant louse of the family Aphididae, characterized by a waxy secretion that appears like a jumbled mass of fine, curly, white cottony or woolly threads, as Eriosoma lanigerum (woolly apple aphid or American blight) and Prociphilus tessellatus (woolly alder aphid)
- american cheese — a type of smooth hard white or yellow cheese similar to a mild Cheddar
- american copper — a malleable, ductile, metallic element having a characteristic reddish-brown color: used in large quantities as an electrical conductor and in the manufacture of alloys, as brass and bronze. Symbol: Cu; atomic weight: 63.54; atomic number: 29; specific gravity: 8.92 at 20°C.
- american cotton — upland cotton.
- american empire — a style of American furniture making and related crafts from c1815 to c1840, corresponding to the French Empire and late English Regency styles.
- american gothic — a painting (1930) by Grant Wood.
- american indian — American Indian people or things belong to or come from one of the native peoples of America.
- american ipecac — a plant, Gillenia stipulata, of the rose family, of the eastern coast of the U.S., having white flowers on long stalks.