This shows grade level based on the word's complexity.
opisthobranch
[ uh-pis-thuh-brangk ]
/ əˈpɪs θəˌbræŋk /
Save This Word!
This shows grade level based on the word's complexity.
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.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachImprove Your Writing
Also o·pis·tho·bran·chi·ate [uh-pis-thuh-brang-kee-it, -eyt]. /əˌpɪs θəˈbræŋ ki ɪt, -ˌeɪt/.
Words nearby opisthobranch
opioid epidemic, opiomelanocortin, opisthenar, opisthion, opistho-, opisthobranch, opisthodomos, opisthognathous, opisthograph, opisthorchiasis, Opisthorchis
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use opisthobranch in a sentence
C, Diblastula of an Opisthobranch (Polycera) with elongated blastopore oi.
British Dictionary definitions for opisthobranch
opisthobranch
/ (əˈpɪsθəˌbræŋk) /
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
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012