equivalve

[ ee-kwuh-valv ]
/ ˈi kwəˌvælv /

adjective

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

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Origin of equivalve

First recorded in 1860–65; equi- + valve
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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