19-letter words containing a, d, r, t
- cock-and-bull story — If you describe something that someone tells you as a cock-and-bull story, you mean that you do not believe it is true.
- coded character set — (character, standard) A mapping, generally 1:1, from a set of integers, known as character codes or code positions, to a set of characters that may include letters, digits, punctuation, control codes, mathematical and typographic symbols. There are several standard coded character sets, the most widely used is ASCII, generally in its Latin-1 dialect, with Unicode becoming slowly more common; while EBCDIC and Baudot are extinct except in legacy systems.
- coefficient of drag — the ratio of the drag on a body moving through air to the product of the velocity and surface area of the body.
- colorado tick fever — a usually mild viral disease occurring in the Rocky Mountain regions of the United States, carried by a tick, Dermacentor andersoni, and characterized by fever, sensitivity to light, headache, and leg and back pain.
- command and control — authority exercised by a commander or a military force
- command interpreter — (operating system) A program which reads textual commands from the user or from a file and executes them. Some commands may be executed directly within the interpreter itself (e.g. setting variables or control constructs), others may cause it to load and execute other files. When an IBM PC is booted BIOS loads and runs the MS-DOS command interpreter into memory from file COMMAND.COM found on a floppy disk or hard disk drive. The commands that COMMAND.COM recognizes (e.g. COPY, DIR, PRN) are called internal commands, in contrast to external commands which are executable files.
- comminuted fracture — a fracture in which the bone is splintered or fragmented
- committed data rate — (communications) (CDR) The data transfer rate that an ISP guarantees a virtual circuit will carry. The CDR is the data portion of Committed Information Rate (CIR).
- common de-nominator — Mathematics. a number that is a multiple of all the denominators of a set of fractions.
- compact disc player — a machine for playing compact discs
- compact disc writer — (storage) (CD burner) A device that can write data to Compact Disc Recordable (CD-R) or Compact Disc Rewritable (CD-RW) discs. Now both these CD formats are often combined with a DVD writer.
- compact disk player — a device for playing compact disks.
- complete quadrangle — a plane figure consisting of four points connected by six lines
- computed tomography — computerized axial tomography. Abbreviation: CT.
- computer dictionary — Free On-line Dictionary of Computing
- confederate jasmine — star jasmine.
- confidence interval — an interval of values bounded by confidence limits within which the true value of a population parameter is stated to lie with a specified probability
- consultation period — a period during which consultations are held before a policy decision is made
- contemplative order — a religious order whose members are devoted to prayer rather than works.
- contra-guide rudder — a rudder having a horizontal offset of its upper and lower halves to improve the flow characteristics of the propeller race.
- contradistinctively — In contradistinction.
- contradistinguished — Simple past tense and past participle of contradistinguish.
- contradistinguishes — Third-person singular simple present indicative form of contradistinguish.
- convergent boundary — a major geologic discontinuity or suture marking the juncture of lithospheric plates that have been joined by plate tectonics.
- coordinate geometry — analytic geometry.
- coordination number — the number of coordinated species surrounding the central atom in a complex or crystal
- cordillera oriental — the eastern ranges of the Andes, in Bolivia, Colombia, and Peru.
- counter-advertising — the act or practice of calling public attention to one's product, service, need, etc., especially by paid announcements in newspapers and magazines, over radio or television, on billboards, etc.: to get more customers by advertising.
- counterdemonstrator — Someone who demonstrates in opposition to another demonstration that is happening nearby at the same time.
- countervailing duty — an extra import duty imposed by a country on certain imports, esp to prevent dumping or to counteract subsidies in the exporting country
- country and western — Country and western is the same as country music.
- country-and-western — country music.
- creative department — the department of a company or organization responsible for the design and creation of advertisements and marketing materials
- credit default swap — a contract in which the parties exchange the exposure to loss should a creditor fail to make a payment when it comes due back
- crystallized fruits — fruits that are covered in sugar which is melted and then allowed to harden
- crystallized ginger — sugar-coated ginger
- cultivated mushroom — an edible mushroom (Agaricus bisporus) with a pale cap and stalk: the most common food mushroom
- customs declaration — a form declaring the nature and value of goods, etc, for customs purposes
- daisy-wheel printer — a type of printer that uses a daisywheel
- dangling participle — a participle intended to modify a noun but having the wrong grammatical relationship to it as for example having left in the sentence Having left Europe for good, Peter's future seemed bleak indeed
- data driven machine — (language) (DDM) A dataflow language.
- data encryption key — (DEK) Used for the encryption of message text and for the computation of message integrity checks (signatures). See cryptography.
- data protection act — (legal) (DPA) A UK law guaranteeing rights to individuals in relation to personal data that others hold on them. For example, under the DPA, you have the right to see what data a company holds on you.
- data terminal ready — (communications) (DTR) The wire in a full RS-232 connection that tells the Data Communication Equipment (DCE, typically a modem) that the Data Terminal Equipment (DTE, typically a computer or terminal) is ready to transmit and receive data.
- datatron 200 series — (computer) A family of computers produced by Burroughs that included the Datatron 204 and Datatron 220.
- de broglie equation — the postulate of wave mechanics that a particle of mass m moving at a velocity v will have the properties of a wave of wavelength h / mv (de Broglie wavelength) where h is Planck's constant.
- de-compartmentalize — to divide into categories or compartments.
- de-internationalize — to make international, as in scope or character: a local conflict that was internationalized into a major war.
- de-militarised zone — (networking) (DMZ) (From the military term for an area between two opponents where fighting is prevented) DMZ Ethernets connect networks and computers controlled by different bodies. They may be external or internal. External DMZ Ethernets link regional networks with routers to internal networks. Internal DMZ Ethernets link local nodes with routers to the regional networks. Compare red zone.
- deacetyltransferase — (enzyme) Any of a class of enzymes that remove acetyl groups, especially from a lysine residue of a histone.