19-letter words containing a, i, r, t, u
- blue-breasted quail — a small, brightly colored quail, Coturnix chinensis, of southern Asia and Australia, widely kept as a cage bird.
- blue-tongued lizard — a large Australian lizard, Tiliqua scincoides, characterized by having a cobalt-blue tongue.
- board of trade unit — a unit of electrical energy equal to 1 kilowatt-hour
- breathing apparatus — an apparatus, usually consisting of tanks of air or oxygen and a mouthpiece, that enables the wearer to breath in difficult conditions such as a smoke-filled building
- brush-tailed possum — any of several widely-distributed Australian possums of the genus Trichosurus
- bug tracking system — (programming) (BTS) A system for receiving and filing bugs reported against a software project, and tracking those bugs until they are fixed. Most major software projects have their own BTS, the source code of which is often available for use by other projects. Well known BTSs include GNATS, Bugzilla, and Debbugs.
- building contractor — an individual or company that contracts for the construction of houses, etc
- butabarbital sodium — a barbiturate, C 10 H 15 N 2 NaO 3 , used as a sedative and hypnotic.
- 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
- calculate a premium — If you calculate a premium, you decide how much a policyholder has to pay for insurance cover.
- canterbury pilgrims — the pilgrims whose stories are told in Chaucer's Canterbury Tales
- capital expenditure — expenditure on acquisitions of or improvements to fixed assets
- 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.
- centrifugal casting — casting that utilizes centrifugal force within a spinning mold to force the metal against the walls.
- chamber of deputies — the lower house of the legislature of certain countries, as Italy.
- chemolithoautotroph — (biology) A chemoautotroph or lithoautotroph.
- circle of curvature — the circle with its center on the normal to the concave side of a curve at a given point on the curve and with its radius equal to the radius of curvature at the point.
- circular definition — a definition in which the definiendum (the expression being defined) or a variant of it appears in the definiens (the expression that defines it).
- circulating capital — the non-permanent raw materials and operating expenses that are used up to produce other goods or services
- circulating decimal — repeating decimal
- circulating library — a small library circulated in turn to a group of schools or other institutions
- circulation manager — the senior manager responsible for the distribution of a newspaper
- clemastine fumarate — an antihistamine, C 25 H 30 ClNO 5 , that has drying and some sedative effects, used for symptomatic relief of allergy.
- cobaltous hydroxide — a rose-red, amorphous, water-insoluble powder, Co 2 O 3 ⋅3H 2 O, used chiefly in the preparation of cobalt salts and in the manufacture of paint and varnish driers.
- columnar epithelium — epithelium consisting of one or more layers of elongated cells of cylindrical or prismatic shape.
- comminuted fracture — a fracture in which the bone is splintered or fragmented
- communications port — (hardware, communications) A connector for a communications interface, usually, a serial port.
- community programme — (in Britain) a former government scheme to provide temporary work for people unemployed for over a year
- community relations — the particular state of affairs in an area where potentially conflicting ethnic, religious, cultural, political, or linguistic groups live together
- computer dictionary — Free On-line Dictionary of Computing
- computer peripheral — a device that is attached to and controlled by a computer, such as a scanner, printer, or external hard drive
- computer simulation — an event, process, or scenario that is created on a computer
- connecticut warbler — a North American wood warbler, Oporornis agilis, olive-green above with a gray head and throat and yellow below.
- consultant engineer — an engineer who works as a consultant to a project or company
- consultation period — a period during which consultations are held before a policy decision is made
- consumer resistance — the unwillingness of consumers to adopt a particular product, service, or change
- contagious abortion — brucellosis of domestic cattle, an infectious disease characterized by spontaneous abortion and caused by the bacterium Brucella abortus; Bang's disease.
- continuous creation — the theory that matter is being created continuously in the universe
- contour integration — integration in the complex plane about a closed curve of finite length.
- contra-guide rudder — a rudder having a horizontal offset of its upper and lower halves to improve the flow characteristics of the propeller race.
- contractile vacuole — a membrane-enveloped cellular organelle, found in many microorganisms, that periodically expands, filling with water, and then contracts, expelling its contents to the cell exterior: thought to be important in maintaining hydrostatic equilibrium.
- contradistinguished — Simple past tense and past participle of contradistinguish.
- contradistinguishes — Third-person singular simple present indicative form of contradistinguish.
- contributing factor — something that is partly responsible for a development or phenomenon
- cooccurrence matrix — (mathematics) Given a position operator P(i,j), let A be a nxn matrix whose element A[i][j] is the number of times that points with grey level (intensity) g[i] occur, in the position specified by P, relative to points with grey level g[j]. Let C be the nxn matrix that is produced by dividing A with the total number of point pairs that satisfy P. C[i][j] is a measure of the joint probability that a pair of points satisfying P will have values g[i], g[j]. C is called a cooccurrence matrix defined by P. Examples for the operator P are: "i above j", "i one position to the right and two below j", etc.
- coordination number — the number of coordinated species surrounding the central atom in a complex or crystal
- corporal punishment — Corporal punishment is the punishment of people by hitting them.
- corporate venturing — the provision of venture capital by one company for another in order to obtain information about the company requiring capital or as a step towards acquiring it
- corrosive sublimate — mercuric chloride