19-letter words containing o, a, t
- brush-tailed possum — any of several widely-distributed Australian possums of the genus Trichosurus
- building contractor — an individual or company that contracts for the construction of houses, etc
- bulbourethral gland — Cowper's gland
- business accounting — the keeping of detailed accounts relating to a business or businesses
- buster brown collar — a medium-sized, starched collar with rounded edges, lying flat on the shoulders, worn by women and girls.
- butabarbital sodium — a barbiturate, C 10 H 15 N 2 NaO 3 , used as a sedative and hypnotic.
- by one's bootstraps — by one's own efforts; unaided
- cairngorm mountains — a mountain range of NE Scotland: part of the Grampians. Highest peak: Ben Macdui, 1309 m (4296 ft); designated a national park in 2003
- camouflage passport — a passport from a non-existent country intended to conceal the bearer's true nationality (from hijackers, kidnappers, etc)
- can not take a joke — If you say that someone cannot take a joke, you are criticizing them for getting upset or angry at something you think is funny.
- cannot help oneself — to be the victim of circumstances, a habit, etc.
- cannot very well do — If you say that you cannot very well do something, you mean that it would not be right or possible to do it.
- capacitive coupling — the connection of two or more circuits by means of a capacitor.
- cape-disappointment — Cape, a cape in SW Washington state, projecting into the Pacific Ocean on the N of the mouth of the Columbia River.
- captain abstraction — The champion of the principles of abstraction and modularity, who protects unwary students on MIT's course 6.001 from the nefarious designs of Sergeant Spaghetticode and his vile concrete programming practices. See also spaghetti code.
- captain of industry — You can refer to the owners or senior managers of industrial companies as captains of industry.
- captains courageous — a novel (1897) by Rudyard Kipling.
- carbon steel piping — Carbon steel piping is pipes made of steel with carbon as the main alloying component, used for transporting fluids.
- carnot refrigerator — a device operating on the Carnot cycle in which the first temperature is higher than the second.
- cartilaginification — The formation of cartilage.
- cash-flow statement — a financial statement that shows a company's cash disbursements and receipts over a given period
- cask of amontillado — a short story (1846) by Edgar Allan Poe.
- cast one's lot with — one of a set of objects, as straws or pebbles, drawn or thrown from a container to decide a question or choice by chance.
- castelnuovo-tedesco — Mario [mah-ryaw] /ˈmɑ ryɔ/ (Show IPA), 1895–1968, U.S. composer, born in Italy.
- catalytic converter — A catalytic converter is a device which is fitted to a car's exhaust to reduce the pollution coming from it.
- catalytic reforming — Catalytic reforming is a process that converts petroleum refinery naphthas to high-octane blending components.
- catch someone's eye — If something catches your eye, you suddenly notice it.
- category management — the management of a range of related products in a way designed to increase sales of all of the products
- caterpillar tractor — a tractor powered by a Caterpillar track
- catherine of aragon — 1485–1536, first wife of Henry VIII of England and mother of Mary I. The annulment of Henry's marriage to her (1533) against papal authority marked an initial stage in the English Reformation
- cathodic protection — a technique for protecting metal structures, such as steel ships and pipelines, from electrolytic corrosion by making the structure the cathode in a cell, either by applying an electromotive force directly or by putting it into contact with a more electropositive metal
- cathodoluminescence — luminescence caused by irradiation with electrons (cathode rays)
- celestial longitude — the angular distance measured eastwards from the vernal equinox to the intersection of the ecliptic with the great circle passing through a celestial body and the poles of the ecliptic
- center of curvature — the center of the circle of curvature.
- central reservation — The central reservation is the strip of ground, often covered with grass, that separates the two sides of a major road.
- centre of curvature — the point on the normal at a given point on a curve on the concave side of the curve whose distance from the point on the curve is equal to the radius of curvature
- cerebral thrombosis — formation of a clot or other blockage in one of the blood vessels of the brain, often followed by neurologic damage; a type of stroke.
- chamber of deputies — the lower house of the legislature of certain countries, as Italy.
- champagne socialist — a professed socialist who enjoys an extravagant lifestyle
- character generator — a device used in television studios to incorporate text or other symbols into the television screen image.
- characteristic root — a scalar for which there exists a nonzero vector such that the scalar times the vector equals the value of the vector under a given linear transformation on a vector space.
- chassis dynamometer — A chassis dynamometer is a piece of test equipment fitted with rollers for the wheels of a vehicle, that is capable of providing drive input and measuring output such as power and torque at the wheels.
- chemical castration — the use of drugs to reduce libido
- chemolithoautotroph — (biology) A chemoautotroph or lithoautotroph.
- cherenkov radiation — the electromagnetic radiation produced when a charged particle moves through a medium at a greater velocity than the velocity of light in that medium
- chinese tallow tree — tallow tree.
- chlorofluoromethane — any of a series of gaseous or volatile methanes substituted with chlorine and fluorine and containing little or no hydrogen: used as refrigerants and, formerly, as aerosol propellants until scientists became concerned about depletion of the atmospheric ozone layer.
- chloroplatinic acid — a red-brown, crystalline, water-soluble solid, H 2 PtCl 6 ⋅6H 2 O, used chiefly in platinizing glass, metals, and ceramic ware.
- cholecystolithiasis — The presence of a gallstone specifically in the gall bladder.
- choledocholithiasis — The presence of gallstones in the common bile duct.