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equivalve

American  
[ee-kwuh-valv] / ˈi kwəˌvælv /

adjective

  1. (of a bivalve mollusk) having the valves of the shell equal in shape and size.

Etymology

Origin of equivalve

First recorded in 1860–65; equi- + valve

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Shell longitudinal, wedge-shaped, equivalve, the valves gaping; the umbones straight, pointed.

From Project Gutenberg

Shell bivalve, equivalve, very transversely elongated, open at both ends.

From Project Gutenberg

Shell transverse, equivalve, not affixed, the tops decorticated.

From Project Gutenberg

A bivalve is said to be equivalve when the two shells composing it are of the same size, inequivalve when they are not.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.