Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of double is as below...

Borosilicate :: Borosilicate (n.) A double salt of boric and silicic acids, as in the natural minerals tourmaline, datolite, etc..

Doublet :: Doublet (a.) A counterfeit gem, composed of two pieces of crystal, with a color them, and thus giving the appearance of a naturally colored gem. Also, a piece of paste or glass covered by a veneer of real stone..

Glyoxal :: Glyoxal (n.) A white, amorphous, deliquescent powder, (CO.H)2, obtained by the partial oxidation of glycol. It is a double aldehyde, between glycol and oxalic acid..

Bassoon :: Bassoon (n.) A wind instrument of the double reed kind, furnished with holes, which are stopped by the fingers, and by keys, as in flutes. It forms the natural bass to the oboe, clarinet, etc..

Double :: Double (a.) Twofold; multiplied by two; increased by its equivalent; made twice as large or as much, etc..

Double Dealing :: Double dealing () False or deceitful dealing. See Double dealing, under Dealing..

Duplicate :: Duplicate (a.) Double; twofold.

Semidouble :: Semidouble (a.) Having the outermost stamens converted into petals, while the inner ones remain perfect; -- said of a flower..

Dipyre :: Dipyre (n.) A mineral of the scapolite group; -- so called from the double effect of fire upon it, in fusing it, and rendering it phosphorescent..

Rackett :: Rackett (n.) An old wind instrument of the double bassoon kind, having ventages but not keys..

Fold :: Fold (v. i.) To become folded, plaited, or doubled; to close over another of the same kind; to double together; as, the leaves of the door fold..

Aurocyanide :: Aurocyanide (n.) A double cyanide of gold and some other metal or radical; -- called also cyanaurate.

Double-acting :: Double-acting (a.) Acting or operating in two directions or with both motions; producing a twofold result; as, a double-acting engine or pump..

Dynameter :: Dynameter (n.) An instrument for determining the magnifying power of telescopes, consisting usually of a doubleimage micrometer applied to the eye end of a telescope for measuring accurately the diameter of the image of the object glass there formed; which measurement, compared with the actual diameter of the glass, gives the magnifying power..

Trona :: Trona (n.) A native double salt, consisting of a combination of neutral and acid sodium carbonate, Na2CO3.2HNaCO3.2H2O, occurring as a white crystalline fibrous deposit from certain soda brine springs and lakes; -- called also urao, and by the ancients nitrum..

Double-tongue :: Double-tongue (n.) Deceit; duplicity.

Iceland Spar :: Iceland spar () A transparent variety of calcite, the best of which is obtained in Iceland. It is used for the prisms of the polariscope, because of its strong double refraction. Cf. Calcite..

Duplicate :: Duplicate (v. t.) To double; to fold; to render double.

Two-sided :: Two-sided (a.) Having two sides only; hence, double-faced; hypocritical..

Berylloid :: Berylloid (n.) A solid consisting of a double twelve-sided pyramid; -- so called because the planes of this form occur on crystals of beryl.

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