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An interval of a fifth; also, a part sung with such intervals. [Obs.] "He sang . . . a loud quynyble." Chaucer.

Pertaining to, derived from, or connected with, quinine and related compounds; specifically, designating a nonnitrogenous acid obtained from cinchona bark, coffee, beans, etc., as a white crystalline substance. [Written also chinic, kinic.]

An uncrystallizable alkaloid obtained by the action of heat from quinine, with which it is isomeric.

An alkaloid isomeric with, and resembling, quinine, found in certain species of cinchona, from which it is extracted as a bitter white crystalline substance; conchinine. It is used somewhat as a febrifuge. [Written also chinidine.]

e acetate, chloride, sulphate, etc., employed as a febrifuge or antiperiodic. Called also quinia, quinina, etc. [Written also chinine.]

nating, a nitrogenous acid obtained as a yellow crystalline substance by the oxidation of quinine.

See Cinchonism.

A yellow crystalline substance produced artificially. It is isomeric with alizarin.

any one of a series of nitrogenous bases, certain of which are used as antipyretics.

innook salmon, and Sacramento salmon. It is of great commercial importance. [Written also quinnet.]

The seeds of a kind of goosewort (Chenopodium Quinoa), used in Chili and Peru for making porridge or cakes; also, food thus made.

A hypothetical radical of quinine and related alkaloids.

A brownish resinous substance obtained as a by-product in the treatment of cinchona bark. It consists of a mixture of several alkaloids. [Written also chinoidine.]

lated substances; hence, by extension, any one of the series of alkaloidal bases of which quinoline proper is the type. [Written also chinoline.]

One who is versed in quinology.

The science which treats of the cultivation of the cinchona, and of its use in medicine.

ystalline 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.]

Pertaining to, or designating, a crystalline acid obtained from some varieties of cinchona bark. [Written also chinovic, and kinovic.]

An amorphous bitter glucoside derived from cinchona and other barks. Called also quinova bitter, and quinova. [Written also chinovin, and kinovin.]

Any one of a series of complex nitrogenous bases obtained by the union of certain aniline derivatives with glyoxal or with certain ketones. [Written also chinoxaline.]