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Webster 1913 Edition

Physograde

Phys′o-grade

,

Noun.

[Gr.

φῦσα

a bellows + L.

gradi

to walk, go.]

(Zool.)

Any siphonophore which has an air sac for a float, as the Physalia.

Definition 2024

physograde

physograde

English

Noun

physograde ‎(plural physogrades)

(zoology) Any siphonophore which has an air sac for a float.