15-letter words containing a, c, o, s, t, i
- anticonvulsants — Plural form of anticonvulsant.
- antiforeclosure — opposed to the process of foreclosure
- antilock brakes — brakes fitted to some road vehicles that prevent skidding and improve control by sensing and compensating for overbraking
- antiromanticism — the opposition to romanticism
- antispeculation — opposed to or acting against excessive oil speculation
- antituberculous — (medicine) Acting to combat or counteract tuberculosis.
- antivivisection — opposed to the act or practice or performing experiments on living animals, involving cutting into or dissecting the body
- aortic stenosis — abnormal narrowing of the aorta, especially of its orifice, usually as a result of rheumatic fever or embryologic anomalies.
- 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.
- approach lights — lights on the runway that guide planes coming in to land
- archaeobotanist — A person engaged in archaeobotany.
- archiepiscopate — the rank, office, or term of office of an archbishop
- arms inspection — the official checking of a country's weapons and other military equipment, usually to check that international agreements have been respected
- articles of war — the disciplinary and legal procedures by which the naval and military forces of Great Britain were bound before the 19th century
- asiatic cholera — cholera (def 1).
- association law — any law governing the association of ideas
- astrodynamicist — a person who studies astrodynamics
- astronautically — In an astronautic way.
- astrophysically — from an astrophysical point of view
- astrophysicists — Plural form of astrophysicist.
- at short notice — Notice is used in expressions such as 'at short notice', 'at a moment's notice' or 'at twenty-four hours' notice', to indicate that something can or must be done within a short period of time.
- at your service — You can use 'at your service' after your name as a formal way of introducing yourself to someone and saying that you are willing to help them in any way you can.
- atherosclerosis — a degenerative disease of the arteries characterized by patchy thickening of the inner lining of the arterial walls, caused by deposits of fatty material; a form of arteriosclerosis
- atherosclerotic — Of, pertaining to, or afflicted with atherosclerosis.
- athletic sports — sports, esp track and field events, in which athleticism is required
- atlantic salmon — a valuable food and game fish, Salmo salar, mainly of northern coastal Atlantic waters or, when spawning, in freshwater streams tributary to the ocean.
- atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- audubon society — a North American organization devoted to the conservancy of birds
- authentications — Plural form of authentication.
- autocannibalism — The eating of part of one's own body.
- autodestructive — likely to cause one's own destruction
- autodidacticism — any self-directed learning or self-education
- automatic focus — a system in a camera which automatically adjusts the lens so that the object being photographed is in focus, often one using infrared light to estimate the distance of the object from the camera
- autoschediastic — offhand, with little forethought or preparation
- bacterial ghost — a bacterial cell that is emptied and filled artificially with another substance
- bacteriophagous — Pertaining to the predation and consumption of bacterium.
- basic autocoder — Early system on IBM 7070. Listed in CACM 2(5):16 (May 1959).
- basic education — (in India) education in which all teaching is correlated with the learning of a craft
- basidiomycetous — belonging or pertaining to the basidiomycetes.
- bathing costume — A bathing costume is a piece of clothing that is worn for swimming, especially by women and girls.
- beta conversion — (theory) A term from lambda-calculus for beta reduction or beta abstraction.
- bioastronautics — the study of the effects of space flight on living organisms
- biogasification — the conversion of organic matter into biogas.
- biostatistician — someone who studies or works professionally in the field of biostatistics
- bituminous coal — a soft black coal, rich in volatile hydrocarbons, that burns with a smoky yellow flame. Fixed carbon content: 46–86 per cent; calorific value: 1.93 × 107 – 3.63 × 107 J/kg