(of a mollusc) having the valves of its shell of unequal size
inequivalve in American English
(ɪnˈikwɪˌvælv)
adjective
having the two valves of the shell unequal, as an oyster
inequivalve in American English
(inˈikwəˌvælv)
adjective
(of a bivalve mollusk)
having the valves of the shell unequal in shape and size
Word origin
[1770–80; in-3 + equi- + valve]This word is first recorded in the period 1770–80. Other words that entered Englishat around the same time include: charade, embed, extra, international, parkaequi- is a combining form meaning “equal,” used in the formation of compound words. Otherwords that use the affix equi- include: equicaloric, equinox, equipollent, equiprobabilism, equirotal