单词 | opisthobranch |
释义 | opisthobranch /euh pis"theuh brangk'/, n. 1. any gastropod mollusk of the order Opisthobranchia, as the sea slugs, sea butterflies, and sea hares, characterized by a vestigial or absent mantle and shell and two pairs of tentacles. adj. 2. of or pertaining to the opisthobranches. Also, opisthobranchiate /euh pis'theuh brang"kee it, -ayt'/. [1850-55; < NL Opisthobranchia the subclass; see OPISTHO-, BRANCHIA] |
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