17-letter words containing a, n, t, i
- attention-getting — conspicuously drawing attention to something or someone: an attention-getting device; attention-getting behavior.
- attention-seeking — intended to make people take notice
- attorneys-in-fact — a person authorized by power of attorney to act on the authorizer's behalf outside a court of law.
- attraction sphere — centrosphere (sense 1)
- audio description — a facility provided for visually impaired people in which a film, television programme, or play is described through audio technology
- augmented reality — an artificial environment created through the combination of real-world and computer-generated data
- australia antigen — an antigen present in the blood of some persons with one form of hepatitis
- australia current — a branch of the South Equatorial Current flowing SW from around Fiji to the E coast of Australia and then S along the coast.
- australian ballot — an official ballot listing candidates for election to public office and issues, levies, etc., distributed inside the polling place to be marked by the voter in secret: it originated in Australia and is widely used in the U.S.
- australian kelpie — one of an Australian breed of medium-sized sheepherding dogs having a short, harsh, straight coat in a combination of colors that can include black, red, tan, fawn, chocolate, or smoke blue, probably developed by crossbreeding between the border collie and dingo.
- australian salute — a movement of the hand and arm made to brush flies away from one's face
- australopithecine — any of various extinct apelike primates of the genus Australopithecus and related genera, remains of which have been discovered in southern and E Africa. Some species are estimated to be over 4.5 million years old
- authoritativeness — having due authority; having the sanction or weight of authority: an authoritative opinion.
- authority control — the establishment and maintainance of consistent forms of terms, as of names, subjects, and titles, to be used as headings in bibliographic records.
- autocorrelational — Of or pertaining to autocorrelation.
- automated testing — (testing) Software testing assisted with software tools that require no operator input, analysis, or evaluation.
- automatic vending — selling goods by vending machines
- automatic writing — writing performed without apparent intent or conscious control, especially to achieve spontaneity or uncensored expression.
- autosensitization — autoimmunization.
- average deviation — a measure of dispersion, computed by taking the arithmetic mean of the absolute values of the deviations of the functional values from some central value, usually the mean or median.
- aviation industry — a collective term for the companies involved in air transport
- aviation medicine — the branch of medicine concerned with the effects on man of flight in the earth's atmosphere
- axis of ordinates — y-axis (def 1).
- axis-of-ordinates — y-axis (def 1).
- babe in the woods — a baby or child.
- baby doll nightie — a short, frilly nightdress
- back on the rails — If something is back on the rails, it is beginning to be successful again after a period when it almost failed.
- bacteriorhodopsin — a purple protein containing retinal and found in the plasma membrane of certain bacteria (genus Halobacterium): it directly supplies electrochemical energy from sunlight
- balanced literacy — a method of teaching reading in which phonics and whole language approaches are both used to maximize student learning.
- barrel distortion — distortion of an image produced by an optical system that causes straight lines at image margins to bulge outwards
- bartholin's gland — either of two small glands near the vaginal opening: during sexual excitement they secrete a mucous lubricating substance
- basal anaesthesia — preliminary and incomplete anaesthesia induced to prepare a surgical patient for total anaesthesia with another agent
- base lending rate — a minimum interest rate on which financial institutions base the rates they use for lending
- baseboard heating — a heating system by pipes, through which steam or hot water circulates, near the base of the walls of rooms
- basic proposition — protocol (def 6).
- bathroom fittings — plumbing fixtures or accessories suitable for use in a bathroom
- battle of britain — (in World War II) the series of aerial combats that took place between British and German aircraft during the autumn of 1940 and that included the severe bombardment of British cities.
- beat one's brains — to try hard to remember, understand, or solve something
- beefsteak begonia — an ornamental plant, Begonia erythrophylla, having light-pink flowers and nearly round, thick, fleshy leaves that are red on the underside.
- beer and skittles — enjoyment or pleasure
- bell-hanger's bit — a bit for drilling small holes through studs or the like.
- benjamin-constant — Henri Benjamin [ahn-ree ban-zha-man] /ɑ̃ˈri bɛ̃ ʒaˈmɛ̃/ (Show IPA), (Benjamin Constant) 1767–1830, French statesman and author, born in Switzerland.
- benoit mandelbrot — (person) /ben'wa man'dl-bro/ Benoit B. Mandelbrot. The IBM scientist who wrote several original books on fractals and gave his name to the set he was discovered, the Mandelbrot set and coined the term "fractal" in 1975 from the Latin fractus or "to break".
- bighorn mountains — range of the Rocky Mountains in N Wyo. and S Mont.: highest peak, 13,165 ft (4,013 m)
- bill of adventure — a certificate made out by a merchant to show that goods handled by him and his agents are the property of another party at whose risk the dealing is done
- bill of attainder — (formerly) a legislative act finding a person guilty without trial of treason or felony and declaring him attainted
- binary opposition — a relation between the members of a pair of linguistic items, as a pair of distinctive features, such that one is the absence of the other, as voicelessness and voice, or that one is at the opposite pole from the other, as stridency and mellowness.
- binet-simon scale — a test comprising questions and tasks, used to determine the mental age of subjects, usually children
- biological parent — a parent who has conceived (biological mother) or sired (biological father) rather than adopted a child and whose genes are therefore transmitted to the child.
- biotransformation — the metabolizing of some substance, esp. a drug, in the body