noun🔗ShareMicaAny of a group of hydrous aluminosilicate minerals characterized by highly perfect cleavage, so that they readily separate into very thin leaves, more or less elastic."The artist used glitter made with small flakes of mica to make the painting sparkle. "El artista usó brillantina hecha con pequeñas escamas de mica para hacer que la pintura brillara.materialgeologymineralsubstanceChat with AIVocabulary GamePractice Reading