Main Entry: mi·ca

Pronunciation: \ˈmī-kə\

Function: noun

Etymology: New Latin, from Latin, grain, crumb; perhaps akin to Greek mikros small

Date: 1777

: any of various colored or transparent mineral silicates crystallizing in monoclinic forms that readily separate into very thin leaves

— mi·ca·ceous \mī-ˈkā-shəs\ adjective