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opisthobranch

[ uh-pis-thuh-brangk ]
/ 蓹藞p瑟s 胃蓹藢br忙艐k /
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noun
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.
adjective
of or relating to the opisthobranches.
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Also o路pis路tho路bran路chi路ate [uh-pis-thuh-brang-kee-it, -eyt]. /蓹藢p瑟s 胃蓹藞br忙艐 ki 瑟t, -藢e瑟t/.

Origin of opisthobranch

1850鈥55; <New Latin Opisthobranchia the subclass; see opistho-, branchia
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2023

How to use opisthobranch in a sentence

British Dictionary definitions for opisthobranch

opisthobranch
/ (蓹藞p瑟s胃蓹藢br忙艐k) /

noun
any marine gastropod of the class Opisthobranchia (or Opisthobranchiata), in which the shell is reduced or absent: includes the pteropods, sea hares, and nudibranchs

Word Origin for opisthobranch

via New Latin from Greek opisthen behind + -branch
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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