15-letter words containing a, i, s
- aortic stenosis — abnormal narrowing of the aorta, especially of its orifice, usually as a result of rheumatic fever or embryologic anomalies.
- apical meristem — meristem at the apex of a root or shoot.
- aplastic anemia — a form of anemia resulting from a failure of the bone marrow to produce adequate quantities of the essential blood components, including leukocytes and platelets
- apolipoproteins — Plural form of apolipoprotein.
- apollo asteroid — one of a number of asteroids whose orbits cross that of the earth.
- apophthegmatise — to speak in apophthegms
- apophthegmatist — a person who creates apophthegms
- apostle pitcher — a stoneware pitcher decorated in relief with figures of the apostles.
- apostolic vicar — vicar apostolic.
- apostolicalness — The state or quality of being apostolical.
- apostrophically — (rhetoric) Using apostrophe; with sudden exclamatory dialogue.
- apple macintosh — Macintosh
- applesoft basic — (language) A version of BASIC for Apple computers.
- apprenticeships — Plural form of apprenticeship.
- approach lights — lights on the runway that guide planes coming in to land
- appropriateness — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- approximateness — The quality of being approximate.
- aqueous ammonia — ammonia (def 2).
- aqueous-ammonia — a colorless, pungent, suffocating, highly water-soluble, gaseous compound, NH 3 , usually produced by the direct combination of nitrogen and hydrogen gases: used chiefly for refrigeration and in the manufacture of commercial chemicals and laboratory reagents.
- arabian jasmine — a climbing shrub, Jasminum sambac, of India, having hairy branches and very fragrant white flowers that turn purple with age, used in making jasmine tea; sampaguita.
- arabic numerals — the figures 1, 2, 3, 4, 5, 6, 7, 8, 9, and the 0 (zero) that originated in India; Hindu-Arabic numerals
- archaeobotanist — A person engaged in archaeobotany.
- archiepiscopacy — a form of church government in which power is vested in archbishops.
- archiepiscopate — the rank, office, or term of office of an archbishop
- ariboflavinosis — a condition resulting from a dietary deficiency of riboflavin
- aristotelianism — a philosophical tradition based on the wide-ranging belief system of Aristotle
- arms inspection — the official checking of a country's weapons and other military equipment, usually to check that international agreements have been respected
- army air forces — a unit comprising almost all aviation, with its personnel, equipment, etc.: it became part of the Air Force on July 26, 1947.
- arrivals lounge — a waiting area for people meeting passengers
- arrondissements — Plural form of arrondissement.
- arthur brisbane — Arthur, 1864–1936, U.S. journalist.
- articles of war — the disciplinary and legal procedures by which the naval and military forces of Great Britain were bound before the 19th century
- artificialness' — made by human skill; produced by humans (opposed to natural): artificial flowers.
- ascending colon — the first portion of the colon, beginning at the cecum in the lower right abdominal cavity and continuing upward along the right posterior abdominal wall to approximately the lower ribs.
- ascending scale — a scale that is rising in pitch
- asclepiadaceous — of, relating to, or belonging to the Asclepiadaceae, a family of mostly tropical and subtropical flowering plants, including the milkweed and swallowwort, having pollen in the form of a waxy mass (pollinium): now usually regarded as a subfamily of the Apocynaceae
- ascribed status — the social position assigned to a person on the basis of kinship, ethnic group, sex, etc.
- asiago (cheese) — a hard, dry, sharply flavored cheese originally of N Italy
- asian influenza — pandemic influenza caused by a strain of the influenza virus first isolated in Singapore in 1957
- asian shorthair — a generic term for a group of breeds of short-haired cat of Burmese type, including the Bombay
- asiatic cholera — cholera (def 1).
- asset-stripping — If a person or company is involved in asset-stripping, they buy companies cheaply, sell off their assets to make a profit, and then close the companies down.
- assign a policy — If you assign a policy, you transfer legal ownership of an insurance policy to another person.
- assimilationism — the theory of promoting the incorporation and mixing of different groups in society
- assimilationist — a person who favours and promotes the incorporation and mixing of different groups in society
- assistant judge — a person who assists a judge in their work or who is not yet fully qualified as a judge
- assisted living — Assisted living is a type of housing specially designed for people who need help in their everyday lives, but who do not need specialist nursing care. In assisted living facilities, residents live in independent rooms or apartments, but receive help with day-to-day activities, for example bathing, dressing, preparing meals, and taking their medicines.
- association law — any law governing the association of ideas
- astrobiologists — Plural form of astrobiologist.
- astrodynamicist — a person who studies astrodynamics