21-letter words containing rc
- alexander archipelago — a group of over 1000 islands along the coast of SE Alaska
- antarctic archipelago — a group of islands in the South Atlantic Ocean, off the NW coast of the Antarctic Peninsula.
- antarctic convergence — the fairly well-defined boundary that exists between the cold antarctic waters and the warmer waters to the north and can be traced around the world.
- anti-aircraft defence — military measures or resources aimed at destroying enemy aircraft
- anti-aircraft missile — a missile intended to destroy enemy aircraft
- archimedes' principle — a law of physics stating that the apparent upward force (buoyancy) of a body immersed in a fluid is equal to the weight of the displaced fluid
- architecture parlante — the architecture of buildings that, in their plans or elevations, create an image that suggests their functions.
- bichloride of mercury — mercuric chloride
- category merchandiser — A category merchandiser is a person whose job is to maintain stocks, manage displays and promote sales of a certain product category such as footwear.
- church-rosser theorem — (theory) A property of a reduction system that states that if an expression can be reduced by zero or more reduction steps to either expression M or expression N then there exists some other expression to which both M and N can be reduced. This implies that there is a unique normal form for any expression since M and N cannot be different normal forms because the theorem says they can be reduced to some other expression and normal forms are irreducible by definition. It does not imply that a normal form is reachable, only that if reduction terminates it will reach a unique normal form.
- circle of convergence — Mathematics. a circle associated with a given power series such that the series converges for all values of the variable inside the circle and diverges for all values outside it.
- circle of declination — hour circle.
- circular polarization — electromagnetic radiation (esp light) in which the electric field vector describes a circle about the direction of propagation at any point in the path of the radiation
- commercial fertilizer — fertilizer manufactured chemically, as distinguished from natural fertilizer, as manure.
- commercial television — television companies which make money by selling advertising
- commercial translator — (language) An English-like pre-COBOL language for business data processing.
- composition of forces — the combination, by vector algebra, of two or more forces into a single equivalent force (the resultant)
- computer architecture — the structure, behaviour, and design of computers
- congregational church — any evangelical Protestant Christian Church that is governed according to the principles of Congregationalism. In 1972 the majority of churches in the Congregational Church in England and Wales voted to become part of the United Reformed Church
- dataflow architecture — a means of arranging computer data processing in which operations are governed by the data present and the processing it requires rather than by a prewritten program that awaits data to be processed
- drop the handkerchief — a children's game in which all the players but one stand in a circle facing inward, while that one player stealthily drops a handkerchief behind a player in the circle who must pursue and attempt to catch the one who dropped the handkerchief before the latter reaches the vacated place.
- dutch reformed church — of or relating to a Protestant denomination (Dutch Reformed Church) founded by Dutch settlers in New York in 1628 and renamed the Reformed Church in America in 1867.
- eccles-jordan circuit — flip-flop
- eiffel source checker — A compiler front-end for Eiffel 3 by Olaf Langmack <[email protected]> and Burghardt Groeber. It was generated automatically with the Karlsruhe toolbox for compiler construction according to the most recent public language definition. The parser derives an easy-to-use abstract syntax tree, supports elementary error recovery and provides a precise source code indication of errors. It performs a strict syntax check and analyses 4000 lines of source code per second on a Sun SPARC workstation.
- euro-commercial paper — commercial paper issued in a eurocurrency
- extended architecture — (storage) (XA) A CD-ROM drive specification required by Green Book CD-ROM and White Book CD-ROM formats. Drives labelled "XA ready" may require a firmware upgrade.
- greek orthodox church — the branch of the Orthodox Church constituting the national church of Greece.
- hierarchical database — (database) A kind of database management system that links records together like a family tree such that each record type has only one owner, e.g. an order is owned by only one customer. Hierarchical structures were widely used in the first mainframe database management systems. However, due to their restrictions, they often cannot be used to relate structures that exist in the real world.
- hypercholesterolaemia — the condition of having a high concentration of cholesterol in the blood
- in good circumstances — (of a person) in a good financial situation
- leave sb in the lurch — If someone leaves you in the lurch, they go away or stop helping you at a very difficult time.
- motivational research — the application of the knowledge and techniques of the social sciences, especially psychology and sociology, to understanding consumer attitudes and behavior: used as a guide in advertising and marketing.
- multilayer perceptron — A network composed of more than one layer of neurons, with some or all of the outputs of each layer connected to one or more of the inputs of another layer. The first layer is called the input layer, the last one is the output layer, and in between there may be one or more hidden layers.
- myocardial infarction — heart attack. Abbreviation: MI.
- nellis air force base — the largest air base in the U.S. Air Force's Tactical Air Command, located near Las Vegas, Nev., and developed from what began in 1941 as a U.S. Army Air Corps field.
- oblique circular cone — a cone whose surface is generated by lines joining a fixed point to the points of a circle, the fixed point lying on a line that is not perpendicular to the circle at its center.
- overcurrent detection — Overcurrent detection is a method of establishing that the value of current in a circuit exceeds a particular value for a particular length of time.
- paper-white narcissus — a white-flowered variety of Narcissus tazetta, often forced for indoor bloom.
- partial reinforcement — the process of randomly rewarding an organism for making a response on only some of the occasions it makes it
- percussion instrument — a musical instrument, as the drum, cymbal, triangle, xylophone, or piano, that is struck to produce a sound, as distinguished from string or wind instruments.
- pomp and circumstance — ceremony
- printed circuit board — a circuit in which the interconnecting conductors and some of the circuit components have been printed, etched, etc., onto a sheet or board of dielectric material (PC board, printed-circuit board)
- pulmonary circulation — the circulation of blood from the heart to the lungs for oxygenation and back to the heart.
- purchasing department — the group of staff within an organization that is responsible for buying goods or products
- purple-fringed orchid — either of two orchids, Habenaria fimbriata or H. psycodes, of eastern North America, having a cluster of fragrant purple flowers with a fringed lip.
- purple-fringed orchis — either of two North American orchids (Habenaria psycodes and H. fimbriata) with purple-fringed flowers
- reduced circumstances — If you say that someone is living in reduced circumstances, you mean that they do not have as much money as they used to have.
- reinforcement therapy — a behavior modification technique in which appropriate behavior is strengthened through systematic reinforcement.
- roman catholic church — the Christian church of which the pope, or bishop of Rome, is the supreme head.
- scarce as hen's teeth — extremely rare
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