19-letter words containing t, r
- 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.
- coherent parallel c — (language) A data parallel version of C.
- collect on delivery — payment in cash when a purchase or shipment is delivered
- collective behavior — the spontaneous, unstructured, and temporary behavior of a group of people in response to the same event, situation, etc.
- collective security — a system of maintaining world peace and security by concerted action on the part of the nations of the world
- collector electrode — See under Klystron.
- college-preparatory — preparing a student for academic work at the college level.
- 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.
- columnar epithelium — epithelium consisting of one or more layers of elongated cells of cylindrical or prismatic shape.
- combination therapy — a therapy that combines two or more drugs, or two or more treatments
- come into the world — to be born
- come to the surface — to emerge; become apparent
- 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.
- commercial software — (software) (Or "commercial off-the-shelf software", COTS) Software that is produced for sale. This contrasts with free software, which is produced for free distribution, meaning without charge and/or without restriction on further distribution. Some companies that sell software distribute some (versions) of products free of charge (but usually with restricted distribution rights), this would probably still be called commercial software. Conversely, software that an individual distributes for free, but for which he accepts donations, would still be called free software.
- commercial traveler — a traveling salesman
- comminuted fracture — a fracture in which the bone is splintered or fragmented
- commission merchant — a person who buys or sells goods for others on a commission basis
- commitment ceremony — a ceremony and celebration that affirms the love and commitment between two people who cannot legally marry, typically a same-sex or transgender couple.
- 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.
- common iliac artery — iliac artery (def 1).
- common-iliac-artery — Also called common iliac artery. either of two large arteries that conduct blood to the pelvis and the legs.
- 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
- 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.
- complementary angle — either of two angles whose sum is 90°
- complementary color — Art. one of a pair of primary or secondary colors opposed to the other member of the pair on a schematic chart or scale (color wheel) as green opposed to red, orange opposed to blue, or violet opposed to yellow. Compare analogous color. the relationship of these pairs of colors perceived as completing or enhancing each other.
- complete fertilizer — a fertilizer containing nitrogen, phosphorus, and potassium, the three principal elements required for plant nutrition.
- complete quadrangle — a plane figure consisting of four points connected by six lines
- complimentary close — the part of a letter that by convention immediately precedes the signature, as “Very truly yours,” “Cordially,” or “Sincerely yours.”.
- compromise solution — a solution to a problem reached by compromise
- comptroller general — the director of the General Accounting Office
- computed tomography — computerized axial tomography. Abbreviation: CT.
- 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 programmer — a person whose job is to write computer programs
- computer simulation — an event, process, or scenario that is created on a computer
- computer-controlled — controlled by computers, esp without direct human intervention
- concertina movement — a principle of table construction in which hinged sections of the frame, ordinarily folded inward out of sight, can be pulled into line with the parts of the frame ordinarily seen to permit the addition of leaves.
- concurrentsmalltalk — (language) A concurrent variant of Smalltalk.
- confectioner's shop — a sweet shop
- 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
- congestion charging — the practice of charging motorists for the right to drive on busy roads, esp at busy times
- connecticut warbler — a North American wood warbler, Oporornis agilis, olive-green above with a gray head and throat and yellow below.
- connection-oriented — (networking) (Or connection-based, stream-oriented). A type of transport layer data communication service that allows a host to send data in a continuous stream to another host. The transport service will guarantee that all data will be delivered to the other end in the same order as sent and without duplication. Communication proceeds through three well-defined phases: connection establishment, data transfer, connection release. The most common example is Transmission Control Protocol (TCP), another is ATM. The network nodes at either end needs to inform all intermediate nodes about their service requirements and traffic parameters in order to establish communication. Opposite of connectionless, datagram. See also circuit switching, packet switching, virtual circuit.