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Arabinose :: Arabinose (n.) A sugar of the composition C5H10O5, obtained from cherry gum by boiling it with dilute sulphuric acid..

Persulphide :: Persulphide (n.) A sulphide containing more sulphur than some other compound of the same elements; as, iron pyrites is a persulphide; -- formerly called persulphuret..

Polysulphuret :: Polysulphuret (n.) A polysulphide.

Sulphur :: Sulphur (n.) A nonmetallic element occurring naturally in large quantities, either combined as in the sulphides (as pyrites) and sulphates (as gypsum), or native in volcanic regions, in vast beds mixed with gypsum and various earthy materials, from which it is melted out. Symbol S. Atomic weight 32. The specific gravity of ordinary octohedral sulphur is 2.05; of prismatic sulphur, 1.96..

Thio- :: Thio- () A combining form (also used adjectively) denoting the presence of sulphur. See Sulpho-.

Sulphonium :: Sulphonic (a.) Pertaining to, or derived from, a sulphone; -- used specifically to designate any one of a series of acids (regarded as acid ethereal salts of sulphurous acid) obtained by the oxidation of the mercaptans, or by treating sulphuric acid with certain aromatic bases (as benzene); as, phenyl sulphonic acid, C6H5.SO2.OH, a stable colorless crystalline substance..

Sulphurating :: Sulphurated (imp. & p. p.) of Sulphurat.

Kerite :: Kerite (n.) A compound in which tar or asphaltum combined with animal or vegetable oils is vulcanized by sulphur, the product closely resembling rubber; -- used principally as an insulating material in telegraphy..

Selenium :: Selenium (n.) A nonmetallic element of the sulphur group, and analogous to sulphur in its compounds. It is found in small quantities with sulphur and some sulphur ores, and obtained in the free state as a dark reddish powder or crystalline mass, or as a dark metallic-looking substance. It exhibits under the action of light a remarkable variation in electric conductivity, and is used in certain electric apparatus. Symbol Se. Atomic weight 78.9..

Multivalent :: Multivalent (a.) Having more than one degree of valence, as sulphur..

Thiosulphate :: Thiosulphate (n.) A salt of thiosulphuric acid; -- formerly called hyposulphite.

Sulphydrate :: Sulphuryl (n.) The hypothetical radical SO2; -- called also sulphon.

Subsultive :: Subsulphide (n.) A nonacid compound consisting of one equivalent of sulphur and more than one equivalent of some other body, as a metal..

Cockatoo :: Cockatoo (n.) A bird of the Parrot family, of the subfamily Cacatuinae, having a short, strong, and much curved beak, and the head ornamented with a crest, which can be raised or depressed at will. There are several genera and many species; as the broad-crested (Plictolophus, / Cacatua, cristatus), the sulphur-crested (P. galeritus), etc. The palm or great black cockatoo of Australia is Microglossus aterrimus..

Hyposulphite :: Hyposulphite (n.) A salt of hyposulphurous acid proper.

Disulphate :: Disulphate (n.) An acid salt of sulphuric acid, having only one equivalent of base to two of the acid..

Sulphite :: Sulphionide (n.) A binary compound of sulphion, or one so regarded; thus, sulphuric acid, H/SO/, is a sulphionide..

Geocronite :: Geocronite (n.) A lead-gray or grayish blue mineral with a metallic luster, consisting of sulphur, antimony, and lead, with a small proportion of arsenic..

Hepar :: Hepar (n.) Liver of sulphur; a substance of a liver-brown color, sometimes used in medicine. It is formed by fusing sulphur with carbonates of the alkalies (esp. potassium), and consists essentially of alkaline sulphides. Called also hepar sulphuris (/)..

Pyrosulphate :: Pyrosulphate (n.) A salt of pyrosulphuric acid.

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