Defn: One of the Physopoda; a thrips.
PHYSOPODA
Phy*sop"o*da, n. pl. Etym: [NL., fr. Gr. -poda.] (Zoöl.)
Defn: Same as Thysanoptera.
PHYSOSTIGMINE
Phy`so*stig"mine, n. (Chem.)
Defn: An alkaloid found in the Calabar bean (the seed of Physostigma venenosum), and extracted as a white, tasteless, substance, amorphous or crystalline; — formerly called eserine, with which it was regarded as identical.
PHYSOSTOMI
Phy*sos"to*mi, n. pl. Etym: [NL., fr. Gr. (Zoöl.)
Defn: An order of fishes in which the air bladder is provided with a duct, and the ventral fins, when present, are abdominal. It includes the salmons, herrings, carps, catfishes, and others.
PHYSOSTOMOUS Phy*sos"to*mous, a. (Zoöl.) (a) Having a duct to the air bladder. (b) Pertaining to the Physostomi.
PHYTELEPHAS
Phy*tel"e*phas, n. Etym: [NL., fr. Gr. (Bot.)
Defn: A genus of South American palm trees, the seeds of which furnish the substance called vegetable ivory.