noun \ˈmī-kə\

Definition of MICA

: 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

Seen & Heard

What made you want to look up mica? Please tell us where you read or heard it (including the quote, if possible).