Defn: Belonging to the class Tetrandria.

TETRAONID Te*tra"o*nid, n. Etym: [L. tetrao a heath cock, grouse, Gr. tétraonide.] (Zoöl.)

Defn: A bird belonging to the tribe of which the genus Tetrao is the type, as the grouse, partridge, quail, and the like. Used also adjectively.

TETRAPETALOUS
Tet`ra*pet"al*ous, a. Etym: [Tetra- + petal.] (Bot.)

Defn: Containing four distinct petals, or flower leaves; as, a tetrapetalous corolla.

TETRAPHARMACOM; TETRAPHARMACUM
Tet`ra*phar"ma*com, Tet`ra*phar"ma*cum, n. Etym: [NL. tetrapharmacon,
L. tetrapharmacum, Gr. Tetra-) + (Med.)

Defn: A combination of wax, resin, lard, and pitch, composing an ointment. Brande & C.

TETRAPHENOL
Tet`ra*phe"nol, n. Etym: [Tetra- + phenol.] (Chem.)

Defn: Furfuran. [Obs.]

TETRAPHYLLOUS
Te*traph"yl*lous, a. Etym: [Tetra- + Gr. (Bot.)