20-letter words containing rac
- abstract of accounts — a published condensed summary of a company or organization's annual accounts
- abstract syntax tree — (compiler) (AST) A data structure representing something which has been parsed, often used as a compiler or interpreter's internal representation of a program while it is being optimised and from which code generation is performed. The range of all possible such structures is described by the abstract syntax.
- at the crack of dawn — If you say that someone does something at the crack of dawn, you are emphasizing that they do it very early in the morning.
- barrack-room ballads — a volume of poems (1892) by Rudyard Kipling, including Gunga Din, Danny Deever, and Mandalay.
- brachiocephalic vein — either of two major veins, formed by the merger of the subclavian and internal jugular veins, that drain blood from the head and arms.
- california barracuda — a small, slender barracuda, Sphyraena argentea, of coastal seas from Alaska to Baja California, valued as a food fish.
- capillary attraction — a force that is the resultant of adhesion, cohesion, and surface tension in liquids which are in contact with solids, as in a capillary tube: when the cohesive force is greater, the surface of the liquid tends to rise in the tube, as with mercury; when the adhesive force is greater, the surface tends to be depressed, as with water
- carbon tetrachloride — a colourless volatile nonflammable sparingly soluble liquid made from chlorine and carbon disulphide; tetrachloromethane. It is used as a solvent, cleaning fluid, and insecticide. Formula: CCl4
- character repertoire — (character) The set of all characters onto which a coded character set maps integers (code positions). For example, consider these two simple coded character sets: Coded Character Set One: integer 0 -> the character "A" integer 1 -> the character "B" Coded Character Set Two: integer 0 -> the character "B" integer 1 -> the character "A" Both of these coded character sets map to the characters "A" and "B", so they have the same character repertoire. But since the mapping is different (and obviously incompatible), these are different coded character sets.
- characteristic curve — a graph of the density of a particular photographic material plotted against the logarithm of the exposure producing this density
- characteristic x-ray — an x-ray that is emitted from an atom when an electron is displaced from an inner shell.
- chevalier-montrachet — a white wine from Burgundy.
- christopher strachey — (person) Professor of Computation at Oxford, England, born 1916, died May 1975. He invented the term "currying". See also: General Purpose Macro-generator.
- connector conspiracy — (business, standard) The tendency of manufacturers (or, by extension, other designers) to come up with products that don't fit with the old stuff, thereby making you buy either all new stuff or expensive interface devices. The term probably came into prominence with the appearance of the DEC KL-10, none of whose connectors matched anything else. The KL-10 Massbus connector was actually *patented* by DEC, who reputedly refused to licence the design, thus effectively locking out competition for the lucrative Massbus peripherals market. This policy was a source of frustration for the owners of dying, obsolescent disk and tape drives. A related phenomenon is the invention of new screw heads so that only Designated Persons, possessing the magic screwdrivers, can remove covers and make repairs or install options. Older Apple Macintoshes took this one step further, requiring not only a hex wrench but a specialised case-cracking tool to open the box. With the advent of more open-systems computing this term has fallen somewhat into disuse. Compare backward combatability.
- democracy in america — French Démocracie en Amérique. a study (1835) by Alexis de Tocqueville of American political institutions.
- dirac delta function — delta function.
- distributed practice — learning with reasonably long intervals between separate occasions of learning
- fission-track dating — the dating of samples of minerals by comparing the tracks in them by fission fragments of the uranium nuclei they contain, before and after irradiation by neutrons
- fixed-price contract — a contract in which the price is preset and invariable, regardless of the actual costs of production.
- fractionating column — a long vertical cylinder used in fractional distillation, in which internal reflux enables separation of high and low boiling fractions to take place
- freefall parachuting — a variety of parachuting in which the jumper manoeuvres in free fall before opening the parachute
- general practitioner — a medical practitioner whose practice is not limited to any specific branch of medicine or class of diseases. Abbreviation: G.P.
- hydraulic fracturing — a process in which fractures in rocks below the earth's surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
- industrial democracy — control of an organization by the people who work for it, esp by workers holding positions on its board of directors
- kick over the traces — either of the two straps, ropes, or chains by which a carriage, wagon, or the like is drawn by a harnessed horse or other draft animal.
- maintenance contract — a formal agreement between two parties which states that one party will keep a building, vehicle, machine, etc, belonging to the other party in good condition by regularly checking it and repairing it when necessary
- medical practitioner — doctor
- menstrual extraction — an abortion procedure involving suction aspiration of the uterine contents early in gestation, before the first missed menstrual period: sometimes performed later.
- middle-distance race — a race of a length between the sprints and the distance events, esp the 800 metres and the 1500 metres
- mischaracterizations — Plural form of mischaracterization.
- nickel tetracarbonyl — nickel carbonyl.
- off the beaten track — formed or shaped by blows; hammered: a dish of beaten brass.
- powhatan confederacy — a network of Algonquian-speaking Indian settlements in Virginia that was ruled by Powhatan.
- practical imperative — (in Kantian ethics) the dictum that one should treat oneself and all humanity as an end and never as a means.
- rachel louise carson — Christopher ("Kit") 1809–68, U.S. frontiersman and scout.
- refracting telescope — an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens set into one end of a tube and an adjustable eyepiece or combination of lenses set into the other end of a tube that slides into the first and through which the enlarged object is viewed directly; the other form (reflecting telescope) has a concave mirror that gathers light from the object and focuses it into an adjustable eyepiece or combination of lenses through which the reflection of the object is enlarged and viewed. Compare radio telescope.
- restrictive practice — Restrictive practices are ways in which people involved in an industry, trade, or profession protect their own interests, rather than having a system which is fair to the public, employers, and other workers.
- splice the mainbrace — to issue and partake of an extra allocation of alcoholic spirits
- track-laying vehicle — A track-laying vehicle is a vehicle whose wheels run inside a continuous chain or track.
- track-train dynamics — the interaction between the track and a moving train.
- uncharacteristically — Also, characteristical. pertaining to, constituting, or indicating the character or peculiar quality of a person or thing; typical; distinctive: Red and gold are the characteristic colors of autumn.
- upper income bracket — a grouping of the highest earning tax payers
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