-ōmīˈa(a)rēə noun plural
Usage: capitalized
Etymology: New Latin, from heter- + -myaria
in some classifications : a division of Lamellibranchia comprising bivalve mollusks having two adductor muscles the anterior one of which is very small — compare isomyaria , monomyaria
• het·er·o·my·ar·i·an | ̷ ̷ ̷ ̷ ̷ ̷ ̷ ̷| ̷ ̷rēən adjective