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univalve

 - 3 dictionary results

u⋅ni⋅valve

  [yoo-nuh-valv]
Use univalve in a Sentence
–adjective Also, u⋅ni⋅valved, u⋅ni⋅val⋅vu⋅lar  [yoo-nuh-val-vyuh-ler] .
1. having one valve.
2. (of a shell) composed of a single valve or piece.
–noun
3. a univalve mollusk or its shell.
Origin:
1655–65; uni- + valve
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To univalve
u·ni·valve   (yōō'nĭ-vālv')   
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 or shell.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
univalve   (y'nĭ-vālv')  Pronunciation Key 
A gastropod, especially one with a single shell, such as a snail, cone, whelk, abalone, or limpet. Univalves belong to the subclass Prosobranchia. Their shells are usually spiral and can hold the whole animal inside. Compare bivalve.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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