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

QUINIZINE
Quin"i*zine, n. Etym: [Quinoline + hydrazine.] (Chem.)

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

QUINNAT
Quin"nat, n. Etym: [From the native name.] (Zoöl.)

Defn: The California salmon (Oncorhynchus choicha); — called also chouicha, king salmon, chinnook salmon, and Sacramento salmon. It is of great commercial importance. [Written also quinnet.]

QUINOA
Qui*no"a, n.

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

QUINOGEN
Quin"o*gen, n. Etym: [Quinine + -gen.] (Chem.)

Defn: A hypothetical radical of quinine and related alkaloids.

QUINOIDINE
Qui*noid"ine, n. Etym: [Quinine + -oid.] (Med. (Chem.)