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A white crystalline substance obtained by oxidation of piperic acid, and regarded as a complex aldehyde.

id obtained as a white crystalline substance by the distillation of mucic acid, or by the oxidation of furfurol.

ce formed by the union of quinone with hydroquinone, or as an intermediate product in the oxidation of hydroquinone or the reduction of quinone. [Written also chinhydrone.]

to, or designating, a nitrogenous acid obtained as a yellow crystalline substance by the oxidation of quinine.

A crystalline substance, C6H4O2 (called also benzoketone), first obtained by the oxidation of quinic acid and regarded as a double ketone; also, by extension, any one of the series of which quinone proper is the type. [Written also chinone, kinone.]

lso obtained from tartaric acid, with which it is isomeric, and from sugar, gum, etc., by oxidation. It is a sour white crystalline substance, consisting of a combination of dextrorotatory and levorotatory tartaric acids. Gregory.

location, a fracture, or a hernia. Reduced iron (Chem.), metallic iron obtained through deoxidation of an oxide of iron by exposure to a current of hydrogen or other reducing agent. When hydrogen is used the product is called also iron by hydrogen. -- To reduce an equation (Alg.), to bring the unknown quantity by itse…

A phenol derivative of anthracene obtained as a white crystalline substance, which on oxidation produces a red dyestuff related to anthraquinone.

nces; specifically, designating an acid obtained, as a white amorphous gummy mass, by the oxidation of mannite, glucose, sucrose, etc.

A white crystalline substance, C6H8O6, obtained by the oxidation of saccharin, and regarded as the lactone of saccharonic acid.

ess oil, HO.C6H4.CHO, found in the flowers of meadow sweet (Spiræa), and also obtained by oxidation of saligenin, etc. It reddens on exposure. Called also salycylol, salicylic aldehyde, and formerly salicylous, or spiroylous, acid.

ries of alcohols which contain the radical CH.OH united with two hydrocarbon radicals. On oxidation the secondary alcohols form ketones. -- Secondary amputation (Surg.), an amputation for injury, performed after the constitutional effects of the injury have subsided. -- Secondary axis (Opt.), any line which passes th…

ic furnace, possessing great hardness, and high electrical resistance, and not subject to oxidation below 2880º F., or 1600º C.

of machines, such as the connecting rods of steamboats, are painted to be preserved from oxidation.

white or yellowish crystalline substance, C6H4.(SO2.CO).NH, produced artificially by the oxidation of a sulphamic derivative of toluene. It is the sweetest substance known, having over two hundred times the sweetening power of sugar, and is known in commerce under the name of saccharine. It has acid properties and for…

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. Sulphonic group (Chem.), the hypothetical radic…

great distance. -- Sulphur trioxide (Chem.), a white crystalline solid, SO3, obtained by oxidation of sulphur dioxide. It dissolves in water with a hissing noise and the production of heat, forming sulphuric acid, and is employed as a dehydrating agent. Called also sulphuric anhydride, and formerly sulphuric acid. --…

Of, pertaining to, or designating, an acid obtained by the oxidation of sycoceryl alcohol.

benthene (oil of turpentine); specifically, designating an acid, C7H10O4, obtained by the oxidation of terbenthene with nitric acid, as a white crystalline substance.

ignating, a complex acid, C7H8O4, obtained as a white crystalline substance by a modified oxidation of terebic acid.