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单词 physograde
释义

physograden.adj.

Origin: Formed within English, by compounding; modelled on a French lexical item. Etymons: physo- comb. form, -grade comb. form.
Etymology: < physo- comb. form + -grade comb. form, after French Physogrades, plural noun (H. M. D. de Blainville in F. Cuvier Dict. des sci. nat.(1830) LX. 101). Compare scientific Latin Physograda , division name. Compare earlier physogradous adj.
Zoology. Obsolete. rare.
A. n.
A pelagic siphonophore of the former division Physograda, characterized by one or more gas-filled floats and including the genera Physalia and Physophora.
ΚΠ
1835–6 Todd's Cycl. Anat. & Physiol. I. 37/1 The principal organ of locomotion in the physograda is the air-filled vesicle or bladder.]
1890 Cent. Dict. Physograde.
B. adj.
Of or relating to the former division Physograda.
ΚΠ
1890 Cent. Dict. Physograde.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online June 2022).
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n.adj.1890
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