univalve
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u·ni·valve
(yo͞o′nĭ-vălv′)adj.
1. Having a shell consisting of a single valve or piece. Used of a mollusk.
2. Composed of a single valve or piece. Used of a shell.
n.
A univalve mollusk; a gastropod.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
univalve
(ˈjuːnɪˌvælv) zoologyadj
(Zoology) relating to, designating, or possessing a mollusc shell that consists of a single piece (valve)
n
(Zoology) a gastropod mollusc or its shell
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
u•ni•valve
(ˈyu nəˌvælv)adj. Also, u′ni•valved`, u•ni•val•vu•lar (ˌyu nəˈvæl vyə lər)
1. having a single shell, as a gastropod mollusk.
2. (of a mollusk shell) composed of a single valve or piece.
n. 3. a univalve mollusk or its shell.
[1655–65]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
u·ni·valve
(yo͞o′nĭ-vălv′) A mollusk, such as a snail, having a single shell. All univalves are gastropods. Compare bivalve.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Noun | 1. | ![]() mollusc, mollusk, shellfish - invertebrate having a soft unsegmented body usually enclosed in a shell abalone, ear-shell - any of various large edible marine gastropods of the genus Haliotis having an ear-shaped shell with pearly interior conch - any of various edible tropical marine gastropods of the genus Strombus having a brightly-colored spiral shell with large outer lip snail - freshwater or marine or terrestrial gastropod mollusk usually having an external enclosing spiral shell slug - any of various terrestrial gastropods having an elongated slimy body and no external shell seasnail - any of several creeping marine gastropods with a spirally coiled shell: whelks; tritons; moon shells; neritids Ancylus fluviatilis, freshwater limpet, river limpet - minute conical gastropod superficially resembling a limpet but living and feeding on freshwater plants nudibranch, sea slug - any of various marine gastropods of the suborder Nudibranchia having a shell-less and often beautifully colored body Aplysia punctata, sea hare - naked marine gastropod having a soft body with reduced internal shell and two pairs of ear-like tentacles bubble shell - marine gastropod mollusk having a very small thin shell physa - any member of the genus Physa cowrie, cowry - any of numerous tropical marine gastropods of the genus Cypraea having highly polished usually brightly marked shells aplacophoran, solenogaster - deep-water wormlike mollusks lacking calcareous plates on the body but having fine slimy spicules on the covering mantle |
Adj. | 1. | ![]() zoological science, zoology - the branch of biology that studies animals |
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