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remains after certain specified deductions are made; residue. "I think so," is the whole residuum . . . after evaporating the prodigious pretensions of the zealot demagogue. L. Taylor.

A thick liquid residuum obtained in the distillation of Russian petroleum, much used as fuel.

ust, ground or pulverized bones, used as a fertilizer. -- Bone earth (Chem.), the earthy residuum after the calcination of bone, consisting chiefly of phosphate of calcium. -- Bone lace, a lace made of linen thread, so called because woven with bobbins of bone. -- Bone oil, an oil obtained by, heating bones (as in t…

perty or properties of, by exposure to fire or heat in due degree for obtaining a desired residuum, product, or effect; to bake; as, to burn clay in making bricks or pottery; to burn wood so as to produce charcoal; to burn limestone for the lime.

puts and heads of colleges. Lamb. Caput mortuum (. Etym: [L., dead head.] (Old Chem.) The residuum after distillation or sublimation; hence, worthless residue.

ily liquid consisting essentially of etherin, etherol, and ethyl sulphate. It is the oily residuum left after etherification. Called also heavy oil of wine (distinguished from oil of wine, or oenanthic ether). -- Ethereal salt (Chem.), a salt of some organic radical as a base; an ester.

The remains of grain, etc., after brewing or distillation; hence, any residuum. Also called draff.

A thick residuum obtained from certain substances after the fluid parts are expressed from them; the grounds which remain after treating a substance with any menstruum, as water or alcohol.

That which falls to the bottom of liquors; sediment; also, refuse; residuum. [Obs.] Jer. Taylor.

One who extracts the residuum of precious metals from the sweepings, potsherds, etc., of refineries of gold and silver, or places where these metals are used.

ed by subsequent treatment. -- Ultramarine ash or ashes (Paint.), a pigment which is the residuum of lapis lazuli after the ultramarine has been extracted. It was used by the old masters as a middle or neutral tint for flesh, skies, and draperies, being of a purer and tenderer gray that produced by the mixture of more…