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Of, pertaining to, or designating, any one of a series of acids regarded as acid ethereal salts of hyposulphurous acid; as, methyl sulphinic acid, CH3.SO.OH, a thick unstable liquid.

ulphone; -- 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 substan…

bleaching; -- called also sulphurous anhydride, and formerly sulphurous acid. -- Sulphur ether (Chem.), a sulphide of hydrocarbon radicals, formed like the ordinary ethers, which are oxides, but with sulphur in the place of oxygen. -- Sulphur salt (Chem.), a salt of a sulphacid; a sulphosalt. -- Sulphur showers, sho…

nd eating and corroding paper, wood, clothing, etc. It is thus used in the manufacture of ether, of imitation parchment, and of nitroglycerin. It is also used in etching iron, in removing iron scale from forgings, in petroleum refining, etc., and in general its manufacture is the most important and fundamental of all t…

the earth; the surface of a diamond; the surface of the body. The bright surface of this ethereous mold. Milton.

Being or lying beyond the moon; hence, ethereal; -- opposed to sublunary. [Obs.] Marlowe, bathed in the Thespian springs, Had in him those brave, translunary things That the first poets had. Drayton.

Any one of a series of artificial ethereal salts derived from the alkaloidal base tropine.

ight) (Opt.), that theory which regards its various phenomena as due to undulations in an ethereal medium, propagated from the radiant with immense, but measurable, velocities, and producing different impressions on the retina according to their amplitude and frequency, the sensation of brightness depending on the form…

f indican. It is sometimes found in the sediment of pathological urines. It is soluble in ether or alcohol, giving the solution a beautiful red color. Also called indigrubin.

hydrocarbon obtained by the decomposition of veratric acid, and constituting the dimethyl ether of pyrocatechin.

surround, or encompass closely. Came vested all in white, pure as her mind. Milton. With ether vested, and a purple sky. Dryden.