15-letter words containing a, d, o, r, t
- astrodynamicist — a person who studies astrodynamics
- at death's door — If you say that someone is at death's door, you mean they are very ill indeed and likely to die.
- auditor general — (in Canada) a federal official responsible for auditing government departments and making an annual report
- augmented roman — a writing system based on an expanded English alphabet, consisting of 43 characters representing different phonemes of spoken English, used for teaching beginners to read. Abbreviation: I.T.A., i.t.a.
- autodestructive — likely to cause one's own destruction
- automatic drive — an automotive transmission requiring either very little or no manual shifting of gears.
- autoradiographs — Plural form of autoradiograph.
- autoradiography — the technique or process of making autoradiographs.
- autotetraploidy — the generation of the tetraploid state, created by the fusing of two nuclei from the same species
- azerty keyboard — a common European version of typewriter keyboard layout with the characters a, z, e, r, t, and y positioned on the top row of alphabetic characters at the left side of the keyboard
- badminton court — the court on which games of badminton are played
- bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
- banking product — one of the various services offered by a bank to its customers: mortgages, loans, insurance etc
- barefoot doctor — (esp in developing countries) a worker trained as a medical auxiliary in a rural area who dispenses medicine, gives first aid, assists at childbirth, etc
- barn-door skate — an Atlantic skate, Raja laevis, that grows to a length of 4 feet (1.2 meters) or more.
- basic autocoder — Early system on IBM 7070. Listed in CACM 2(5):16 (May 1959).
- beast of burden — A beast of burden is an animal such as an ox or a donkey that is used for carrying or pulling things.
- benedict arnold — Benedict, 1741–1801, American general in the Revolutionary War who became a traitor.
- bidirectionally — in a bidirectional manner
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
- blue wood aster — a composite plant, Aster cordifolius, of North America, having heart-shaped leaves and pale-blue flowers.
- board of health — an agency with responsibility for health in state, country, etc
- board-certified — A doctor who is board-certified has passed tests and meets the standards of a board of specialists in their area of medicine.
- body toning bar — a weighted exercise bar made of steel encased in a layer of foam, used for toning and strength training.
- brand extension — the practice of using a well-known brand name to promote new products or services in unrelated fields
- break the mould — If you say that someone breaks the mould, you mean that they do completely different things from what has been done before or from what is usually done.
- breeder reactor — a type of nuclear reactor that produces more fissionable material than it consumes
- bring to a head — to bring or be brought to a crisis
- broadcast storm — (networking) A broadcast on a network that causes multiple hosts to respond by broadcasting themselves, causing the storm to grow exponentially in severity. See network meltdown.
- bronze diabetes — hemochromatosis.
- cadmean victory — a victory won with great losses to the victors
- caldecott award — an annual award in the U.S. for an outstanding illustrated juvenile book.
- calendarization — the process of calendarizing
- camphorated oil — a liniment consisting of camphor and peanut oil, used as a counterirritant
- carbazotic acid — picric acid.
- cardinal points — the four main points of the compass: north, south, east, and west
- cartesian doubt — willful suspension of all interpretations of experience that are not absolutely certain: used as a method of deriving, by elimination of such uncertainties, axioms upon which to base theories.
- cast around for — If you cast around for something or cast about for it, you try to find it or think of it.
- casters-up mode — [IBM, probably from slang belly up] Yet another synonym for "broken" or "down". Usually connotes a major failure. A system (hardware or software) which is "down" may be already being restarted before the failure is noticed, whereas one which is "casters up" is usually a good excuse to take the rest of the day off (as long as you're not responsible for fixing it).
- catchment board — a public body concerned with the conservation and organization of water supply from a catchment area
- cathedral choir — the choir, traditionally consisting of boys and men, that sings in cathedral services
- cephalochordate — any chordate animal of the subphylum Cephalochordata, having a fishlike body and no vertebral column; lancelet
- charles doughty — Charles Montagu [mon-tuh-gyoo] /ˈmɒn təˌgyu/ (Show IPA), 1843–1926, English traveler and writer.
- chloral hydrate — a colourless crystalline soluble solid produced by the reaction of chloral with water and used as a sedative and hypnotic; 2,2,2-trichloro-1,1-ethanediol. Formula: CCl3CH(OH)2
- chorda tendinea — any of the tendons extending from the papillary muscles to the atrioventricular valves and preventing the valves from moving into the atria during ventricular contraction.
- chromium-plated — having been plated with chromium
- cinematographed — a motion-picture projector.
- ciudad trujillo — former name (1936–61) of Santo Domingo.
- ciudad victoria — a city in E central Mexico, capital of Tamaulipas state. Pop: 285 000 (2005 est)
- climb indicator — an instrument that shows the rate of ascent or descent of an aircraft, operating on a differential pressure principle.