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De - Pt| English Dictionary: double star | by the DICT Development Group |
| 3 results for double star | |
| From WordNet (r) 3.0 (2006) [wn]: | |
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| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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{Blazing star}, {Double star}, {Multiple star}, {Shooting star}, etc. See under {Blazing}, {Double}, etc. {Nebulous star} (Astron.), a small well-defined circular nebula, having a bright nucleus at its center like a star. {Star anise} (Bot.), any plant of the genus Illicium; -- so called from its star-shaped capsules. {Star apple} (Bot.), a tropical American tree ({Chrysophyllum Cainito}), having a milky juice and oblong leaves with a silky-golden pubescence beneath. It bears an applelike fruit, the carpels of which present a starlike figure when cut across. The name is extended to the whole genus of about sixty species, and the natural order ({Sapotace[91]}) to which it belongs is called the Star-apple family. {Star conner}, one who cons, or studies, the stars; an astronomer or an astrologer. --Gascoigne. {Star coral} (Zo[94]l.), any one of numerous species of stony corals belonging to {Astr[91]a}, {Orbicella}, and allied genera, in which the calicles are round or polygonal and contain conspicuous radiating septa. {Star cucumber}. (Bot.) See under {Cucumber}. {Star flower}. (Bot.) (a) A plant of the genus {Ornithogalum}; star-of-Bethlehem. (b) See {Starwort} (b) . (c) An American plant of the genus {Trientalis} ({Trientalis Americana}). --Gray. {Star fort} (Fort.), a fort surrounded on the exterior with projecting angles; -- whence the name. {Star gauge} (Ordnance), a long rod, with adjustable points projecting radially at its end, for measuring the size of different parts of the bore of a gun. {Star grass}. (Bot.) (a) A small grasslike plant ({Hypoxis erecta}) having star-shaped yellow flowers. (b) The colicroot. See {Colicroot}. {Star hyacinth} (Bot.), a bulbous plant of the genus {Scilla} ({S. autumnalis}); -- called also {star-headed hyacinth}. {Star jelly} (Bot.), any one of several gelatinous plants ({Nostoc commune}, {N. edule}, etc.). See {Nostoc}. {Star lizard}. (Zo[94]l.) Same as {Stellion}. {Star-of-Bethlehem} (Bot.), a bulbous liliaceous plant ({Ornithogalum umbellatum}) having a small white starlike flower. {Star-of-the-earth} (Bot.), a plant of the genus {Plantago} ({P. coronopus}), growing upon the seashore. {Star polygon} (Geom.), a polygon whose sides cut each other so as to form a star-shaped figure. {Stars and Stripes}, a popular name for the flag of the United States, which consists of thirteen horizontal stripes, alternately red and white, and a union having, in a blue field, white stars to represent the several States, one for each. With the old flag, the true American flag, the Eagle, and the Stars and Stripes, waving over the chamber in which we sit. --D. Webster. {Star showers}. See {Shooting star}, under {Shooting}. {Star thistle} (Bot.), an annual composite plant ({Centaurea solstitialis}) having the involucre armed with radiating spines. {Star wheel} (Mach.), a star-shaped disk, used as a kind of ratchet wheel, in repeating watches and the feed motions of some machines. {Star worm} (Zo[94]l.), a gephyrean. {Temporary star} (Astron.), a star which appears suddenly, shines for a period, and then nearly or quite disappears. These stars are supposed by some astronometers to be variable stars of long and undetermined periods. {Variable star} (Astron.), a star whose brilliancy varies periodically, generally with regularity, but sometimes irregularly; -- called {periodical star} when its changes occur at fixed periods. {Water star grass} (Bot.), an aquatic plant ({Schollera graminea}) with small yellow starlike blossoms. | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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Double \Dou"ble\, a. [OE. doble, duble, double, OF. doble, duble, double, F. double, fr. L. duplus, fr. the root of duo two, and perh. that of plenus full; akin to Gr. [?] double. See {Two}, and {Full}, and cf. {Diploma}, {Duple}.] 1. Twofold; multiplied by two; increased by its equivalent; made twice as large or as much, etc. Let a double portion of thy spirit be upon me. -- 2 Kings ii. 9. Darkness and tempest make a double night. --Dryden. 2. Being in pairs; presenting two of a kind, or two in a set together; coupled. [Let] The swan, on still St. Mary's lake, Float double, swan and shadow. --Wordsworth. 3. Divided into two; acting two parts, one openly and the other secretly; equivocal; deceitful; insincere. With a double heart do they speak. -- Ps. xii. 2. 4. (Bot.) Having the petals in a flower considerably increased beyond the natural number, usually as the result of cultivation and the expense of the stamens, or stamens and pistils. The white water lily and some other plants have their blossoms naturally double. Note: Double is often used as the first part of a compound word, generally denoting two ways, or twice the number, quantity, force, etc., twofold, or having two. {Double base}, [or] {Double bass} (Mus.), the largest and lowest-toned instrument in the violin form; the contrabasso or violone. {Double convex}. See under {Convex}. {Double counterpoint} (Mus.), that species of counterpoint or composition, in which two of the parts may be inverted, by setting one of them an octave higher or lower. {Double court} (Lawn Tennis), a court laid out for four players, two on each side. {Double dagger} (Print.), a reference mark ([Dagger]) next to the dagger ([dagger]) in order; a diesis. {Double drum} (Mus.), a large drum that is beaten at both ends. {Double eagle}, a gold coin of the United States having the value of 20 dollars. {Double entry}. See under {Bookkeeping}. {Double floor} (Arch.), a floor in which binding joists support flooring joists above and ceiling joists below. See Illust. of Double-framed floor. {Double flower}. See {Double}, a., 4. {Double-framed floor} (Arch.), a double floor having girders into which the binding joists are framed. {Double fugue} (Mus.), a fugue on two subjects. {Double letter}. (a) (Print.) Two letters on one shank; a ligature. (b) A mail requiring double postage. {Double note} (Mus.), a note of double the length of the semibreve; a breve. See {Breve}. {Double octave} (Mus.), an interval composed of two octaves, or fifteen notes, in diatonic progression; a fifteenth. {Double pica}. See under {Pica}. {Double play} (Baseball), a play by which two players are put out at the same time. {Double plea} (Law), a plea alleging several matters in answer to the declaration, where either of such matters alone would be a sufficient bar to the action. --Stephen. {Double point} (Geom.), a point of a curve at which two branches cross each other. Conjugate or isolated points of a curve are called double points, since they possess most of the properties of double points (see {Conjugate}). They are also called {acnodes}, and those points where the branches of the curve really cross are called {crunodes}. The extremity of a cusp is also a double point. {Double quarrel}. (Eccl. Law) See {Duplex querela}, under {Duplex}. {Double refraction}. (Opt.) See {Refraction}. {Double salt}. (Chem.) (a) A mixed salt of any polybasic acid which has been saturated by different bases or basic radicals, as the double carbonate of sodium and potassium, {NaKCO3.6H2O}. (b) A molecular combination of two distinct salts, as common alum, which consists of the sulphate of aluminium, and the sulphate of potassium or ammonium. {Double shuffle}, a low, noisy dance. {Double standard} (Polit. Econ.), a double standard of monetary values; i. e., a gold standard and a silver standard, both of which are made legal tender. {Double star} (Astron.), two stars so near to each other as to be seen separate only by means of a telescope. Such stars may be only optically near to each other, or may be physically connected so that they revolve round their common center of gravity, and in the latter case are called also binary stars. {Double time} (Mil.). Same as {Double-quick}. {Double window}, a window having two sets of glazed sashes with an air space between them. | |
