15-letter words containing a, n, t
- acroanaesthesia — (pathology) Loss of sensation in the extremities.
- act of congress — a law that has been passed by both houses of the US Congress and signed by the president; if the president has chosen to veto the bill, it can be passed by a two-thirds majority in Congress
- actinide series — a series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium
- actinium series — a radioactive decay series that starts with uranium-235 and ends with lead-207
- actinochemistry — the branch of chemistry dealing with actinism; photochemistry.
- actinopterygian — belonging or pertaining to the Actinopterygii, a group of bony fishes.
- action painting — a development of abstract expressionism evolved in the 1940s, characterized by broad vigorous brush strokes and accidental effects of thrown, smeared, dripped, or spattered paint
- action reporter — a news reporter who reports to the public on matters of special interest to the consumer.
- action stations — the positions taken up by individuals in preparation for or during a battle
- active hydrogen — hydrogen in the form of single atoms, rather than molecules, which makes it extremely reactive.
- active immunity — immunity (to a disease) due to the production of antibodies by the body
- actual argument — (programming) A value, expression, or reference passed to a function or subroutine when it is called and which replaces or is bound to the corresponding formal argument. See: argument.
- acyclic terpene — (originally) any of a class of monocyclic hydrocarbons of the formula C 10 H 16 , obtained from plants.
- adamawa-eastern — a branch of the Niger-Congo family of languages, centered in Nigeria, Cameroon, Chad, and the Central African Republic, including Sango and Zande.
- adenoidectomies — Plural form of adenoidectomy.
- adjacent angles — two angles that have the same vertex and a side in common
- 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.
- adlai stevenson — Adlai Ewing [ad-ley yoo-ing] /ˈæd leɪ ˈyu ɪŋ/ (Show IPA), 1835–1914, vice president of the U.S. 1893–97.
- administrations — Plural form of administration.
- admiralty inlet — an arm of the Pacific Ocean in NW Washington, at the entry to Puget Sound.
- admiralty range — a mountain range in Antarctica, on the coast of Victoria Land, northwest of the Ross Sea
- adoption agency — an agency that matches children needing adoption with people willing to adopt
- adoption papers — documentation relating to the adoption of a particular child
- adrenalectomies — Plural form of adrenalectomy.
- adrenoreceptors — Plural form of adrenoreceptor.
- 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.
- advance payment — a sum of money paid in advance as a part or the whole of the sum due
- advanced credit — credit toward a degree allowed to a student by a college for courses taken elsewhere or for high scores on preliminary examinations
- advantage court — the receiver's left-hand service court, into which the ball is served when one side has the advantage.
- advent calendar — a large card with a brightly coloured sometimes tinselled design on it that contains small numbered doors for children to open on each of the days of Advent, revealing pictures beneath them
- adventuresomely — In an adventuresome manner.
- adventurousness — the quality of being adventurous
- advertising man — adman (def 1).
- aerodynamicists — Plural form of aerodynamicist.
- aeroplane cloth — a strong fabric made from cotton, linen, and nylon yarns, used for some light aircraft fuselages and wings
- affine geometry — the branch of geometry dealing with affine transformations.
- affirmativeness — The property of being affirmative.
- after a fashion — If you say that something was done after a fashion, you mean that it was done, but not very well.
- afternoon watch — the watch from noon until 4 p.m.
- agranulocytosis — a serious and sometimes fatal illness characterized by a marked reduction of leucocytes, usually caused by hypersensitivity to certain drugs
- agro-industrial — the large-scale production, processing, and packaging of food using modern equipment and methods.
- agulhas current — a fast, warm ocean current flowing southwest along the SE coast of Africa
- 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.
- airborne attack — an attack involving airborne troops
- airconditioning — Alternative spelling of air conditioning.
- aircraft hangar — a large workshop or building for storing and maintaining aircraft
- airmail edition — an edition of a newspaper that is printed on very thin paper so it is easier and cheaper to distribute
- akinetic mutism — a state of apparent alertness with normal eye movements but no speech or other voluntary motion, usually due to a stroke.
- alan f. shugart — (person) The man who founded Shugart Associates and later co-founded Seagate Technology. Alan Shugart left Shugart Associates in 1974 [did he quit or was he fired?] and took a break from the disk-drive business. In 1979, he and Finis Conner founded a new company that at first was called Shugart Technology and later Seagate Technology.