PROTO-DORIC
Pro`to-Dor*ic, a. Etym: [Proto- + Doric.] (Arch.)

Defn: Pertaining to, or designating, architecture, in which the beginnings of the Doric style are supposed to be found.

PROTOGINE
Pro"to*gine, n. Etym: [Proto- + root of Gr. protogyne.] (Min.)

Defn: A kind of granite or gneiss containing a silvery talcose mineral.

PROTOGYNOUS
Pro*tog"y*nous, a. Etym: [Proto + Gr. gynh` a woman.] (Bot.)

Defn: Same as Proterogynous.

PROTOHIPPUS
Pro`to*hip"pus, n. Etym: [NL., from Gr. (Paleon.)

Defn: A genus of fossil horses from the Lower Pliocene. They had three toes on each foot, the lateral ones being small.

PROTOMARTYR
Pro"to*mar`tyr, n. Etym: [LL., fr. Gr. protomartyr. See Proto-, and
Martyr.]

Defn: The first martyr; the first who suffers, or is sacrificed, in any cause; — applied esp. to Stephen, the first Christian martyr.