equivalve

adj, noun — 2 senses

equivalve

adj

Etymology From equi- + valve.

1

Biology, Natural sciences, Zoology Having valves of the same size (as is normal)

Of the shells of a bivalve mollusc

Shell transverse , equivalve , inequilateral , with a large oblique anteal opening1828, John Fleming, History of British Animals:

Derived terms: subequivalve, unequivalve

equivalve

noun

Etymology From equi- + valve.

1

Any bivalve mollusc whose valves are of the same size.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.