15-letter words containing a, d, r, o, i, t
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, 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
- bring to a head — to bring or be brought to a crisis
- bronze diabetes — hemochromatosis.
- cadmean victory — a victory won with great losses to the victors
- 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.
- cathedral choir — the choir, traditionally consisting of boys and men, that sings in cathedral services
- 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.
- closed interval — an interval on the real line including its end points, as [0, 1], the set of reals between and including 0 and 1
- codetermination — joint participation of management and employees or employees' trade union representatives in some decisions
- cognitive radio — a radio that can automatically alter frequency, power, modulation, etc, according to where it is located
- coldwater-river — a river in NW Mississippi, flowing S to the Tallahatchie River. 220 miles (354 km) long.
- committal order — the document that commits someone to prison
- commodity trade — trade in raw materials and food
- common disaster — the death of an insured party and a beneficiary occurring at the same time in the same accident.
- computer dating — the use of computers by dating agencies to match their clients
- considerateness — showing kindly awareness or regard for another's feelings, circumstances, etc.: a very considerate critic.
- consideratively — in a considerative manner
- contract bridge — the most common variety of bridge, in which the declarer receives points counting towards game and rubber only for tricks he bids as well as makes, any overtricks receiving bonus points
- contradictively — tending or inclined to contradict; involving contradiction; contradictory.
- contradictorily — asserting the contrary or opposite; contradicting; inconsistent; logically opposite: contradictory statements.
- contraindicated — not advisable because of contraindications
- contrast medium — a radiopaque substance, such as barium sulphate, used to increase the contrast of an image in radiography
- coordinate bond — a type of covalent chemical bond in which both the shared electrons are provided by one of the atoms
- corn-root aphid — an aphid, Anuraphis maidiradicis, that lives as a symbiont in colonies of cornfield ants and feeds on the roots of corn: an agricultural pest.
- corrugated iron — a thin structural sheet made of iron or steel, formed with alternating ridges and troughs
- country dancing — Country dancing is traditional dancing in which people dance in rows or circles.
- covaledictorian — A graduating student who shares the position of valedictorian with another student.
- creditor nation — a nation that owes less to foreign and international bodies than they owe to it
- critical period — a period in a lifetime during which a specific stage of development usually occurs. If it fails to do so, it cannot readily occur afterwards
- crocodile tears — If someone is crying crocodile tears, their tears and sadness are not genuine or sincere.
- daguerreotyping — Present participle of daguerreotype.
- daguerreotypist — an obsolete photographic process, invented in 1839, in which a picture made on a silver surface sensitized with iodine was developed by exposure to mercury vapor.
- dark adaptation — the adaptation of the eye to vision in the dark by dilation of the pupil, increased sensitivity of the retina, etc.
- dartmouth basic — (language) The original BASIC language, designed by John G. Kemeny and Thomas E. Kurtz at Dartmouth College in 1963. Dartmouth BASIC first ran on a GE 235 [date?] and on an IBM 704 on 1964-05-01. It was designed for quick and easy programming by students and beginners using Dartmouth's experimental time-sharing system. Unlike most later BASIC dialects, Dartmouth BASIC was compiled.
- data dictionary — an index of data held in a database and used to assist in the access to data
- data processing — Data processing is the series of operations that are carried out on data, especially by computers, in order to present, interpret, or obtain information.
- data protection — (in Britain) safeguards for individuals relating to personal data stored on a computer
- deagglomeration — Deagglomeration is the process of breaking up agglomerates.