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Webster 1913 Edition
Physophorae
‖
Phy-soph′o-ræ
,p
rop.
Noun.
pl.
[NL., fr. Gr.
φῦσα
a bellows + φέρειν
to bear.] (Zool.)
An order of Siphonophora, furnished with an air sac, or float, and a series of nectocalyces. See Illust. under
Nectocalyx
.