Search the Dictionary

A poisonous alkaloid extracted from the stavesacre (Delphinium staphisagria), as a colorless amorphous powder.

Fig.: To blacken or sully; to defame. [R.] To denigrate the memory of Voltaire. Morley.

Fig.: A blackening; defamation. The vigorous denigration of science. Morley.

One who desecrates. "Desecrators of the church." Morley.

A translucent, gummy, amorphous substance, nearly tasteless and odorless, used as a substitute for gum, for sizing, etc., and obtained from starch by the action of heat, acids, or diastase. It is of somewhat variable composition, containing several carbohydrates which change easily to their respective varieties of suga…

n of abusive or railing language; a philippic. The ephemeral diatribe of a faction. John Morley.

A colorless, volatile, alkaline liquid, NH(C2H5)2, having a strong fishy odor resembling that of herring or sardines. Cf. Methylamine.

A colorless, crystalline hydrocarbon, C20H14, obtained from naphthylene, and consisting of a doubled naphthylene radical.

A polymeric form of pyridine, C10H10N2, obtained as a colorless oil by the action of sodium on pyridine.

minister. Macaulay. Pitt had been disgraced and the old Duke of Newcastle dismissed. J. Morley.

ah More. We have spoken of the dislike of these excellent women for Sheridan and Fox. J. Morley. His dislike of a particular kind of sensational stories. A. W. Ward.

A colorless, crystalline, aromatic hydrocarbon, C6H2(CH3)4, off artificial production, with an odor like camphor.

h mineral, Dutch metal, brass foil, and bronze leaf. -- Dutch liquid (Chem.), a thin, colorless, volatile liquid, C2H4Cl2, of a sweetish taste and a pleasant ethereal odor, produced by the union of chlorine and ethylene or olefiant gas; -- called also Dutch oil. It is so called because discovered (in 1795) by an assoc…

A colorless, crystalline, nitrogenous base, obtained by the decomposition of cocaine.

A transparent, colorless oil obtained from elemi resin by distillation with water; also, a crystallizable extract from the resin.

A colorless oil (quickly becoming brown), with a pleasant odor, obtained by the decomposition of ericolin.

A colorless crystalline substance, C20H22O10, extracted from certain lichens, as the various species of Rocella. It is a derivative of orsellinic acid. So called because of certain red compounds derived from it. Called also erythric acid.

A colorless crystalline substance, C4H6.(OH)4, of a sweet, cooling taste, extracted from certain lichens, and obtained by the decomposition of erythrin; -- called also erythrol, erythroglucin, erythromannite, pseudorcin, cobalt bloom, and under the name phycite obtained from the alga Protococcus vulgaris. It is a tetra…

A colorless, mobile, inflammable liquid, C2H5.NH2, very volatile and with an ammoniacal odor. It is a strong base, and is a derivative of ammonia. Called also ethyl carbamine, and amido ethane.

A colorless, gaseous hydrocarbon, C2H4, forming an important ingredient of illuminating gas, and also obtained by the action of concentrated sulphuric acid in alcohol. It is an unsaturated compound and combines directly with chlorine and bromine to form oily liquids (Dutch liquid), -- hence called olefiant gas. Called…