Definition of residue

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Residue (n.) That which remains of a molecule after the removal of a portion of its constituents; hence, an atom or group regarded as a portion of a molecule; -- used as nearly equivalent to radical, but in a more general sense..

Lern More About Residue

Vanadyl :: Vanadyl (n.) The hypothetical radical VO, regarded as a characterized residue of certain vanadium compounds..
Reversion :: Reversion (n.) That which reverts or returns; residue.
Formyl :: Formyl (n.) A univalent radical, H.C:O, regarded as the essential residue of formic acid and aldehyde..
Propyl :: Propyl (n.) The hypothetical radical C3H7, regarded as the essential residue of propane and related compounds..
Paracyanogen :: Paracyanogen (n.) A polymeric modification of cyanogen, obtained as a brown or black amorphous residue by heating mercuric cyanide..
Methyl :: Methyl (n.) A hydrocarbon radical, CH3, not existing alone but regarded as an essential residue of methane, and appearing as a component part of many derivatives; as, methyl alcohol, methyl ether, methyl amine, etc..
Methylene :: Methylene (n.) A hydrocarbon radical, CH2, not known in the free state, but regarded as an essential residue and component of certain derivatives of methane; as, methylene bromide, CH2Br2; -- formerly called also methene..
Rest :: Rest (n.) That which is left, or which remains after the separation of a part, either in fact or in contemplation; remainder; residue..
Vinyl :: Vinyl (n.) The hypothetical radical C2H3, regarded as the characteristic residue of ethylene and that related series of unsaturated hydrocarbons with which the allyl compounds are homologous..
Brine :: Brine (n.) Water saturated or strongly impregnated with salt; pickle; hence, any strong saline solution; also, the saline residue or strong mother liquor resulting from the evaporation of natural or artificial waters..
Pentamethylene :: Pentamethylene (n.) A hypothetical hydrocarbon, C5H10, metameric with the amylenes, and the nucleus of a large number of derivatives; -- so named because regarded as composed of five methylene residues. Cf. Trimethylene, and Tetramethylene..
Saline :: Saline (n.) A crude potash obtained from beet-root residues and other similar sources.
Petrolatum :: Petrolatum (n.) A semisolid unctuous substance, neutral, and without taste or odor, derived from petroleum by distilling off the lighter portions and purifying the residue. It is a yellowish, fatlike mass, transparent in thin layers, and somewhat fluorescent. It is used as a bland protective dressing, and as a substitute for fatty materials in ointments..
Ester :: Ester (n.) An ethereal salt, or compound ether, consisting of an organic radical united with the residue of any oxygen acid, organic or inorganic; thus the natural fats are esters of glycerin and the fatty acids, oleic, etc..
Vaseline :: Vaseline (n.) A yellowish translucent substance, almost odorless and tasteless, obtained as a residue in the purification of crude petroleum, and consisting essentially of a mixture of several of the higher members of the paraffin series. It is used as an unguent, and for various purposes in the arts. See the Note under Petrolatum..
Elaterium :: Elaterium (n.) A cathartic substance obtained, in the form of yellowish or greenish cakes, as the dried residue of the juice of the wild or squirting cucumber (Ecballium agreste, formerly called Momordica Elaterium)..
Blacks :: Blacks (n. pl.) The name of a kind of in used in copperplate printing, prepared from the charred husks of the grape, and residue of the wine press..
Radical :: Radical (n.) Specifically, a group of two or more atoms, not completely saturated, which are so linked that their union implies certain properties, and are conveniently regarded as playing the part of a single atom; a residue; -- called also a compound radical. Cf. Residue..
Asphaltum :: Asphaltum (n.) Mineral pitch, Jews' pitch, or compact native bitumen. It is brittle, of a black or brown color and high luster on a surface of fracture; it melts and burns when heated, leaving no residue. It occurs on the surface and shores of the Dead Sea, which is therefore called Asphaltites, or the Asphaltic Lake. It is found also in many parts of Asia, Europe, and America. See Bitumen..
Naphthyl :: Naphthyl (n.) A hydrocarbon radical regarded as the essential residue of naphthalene.
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