any of a group of minerals that are complex silicates that crystallize in thin, somewhat flexible, translucent or colored, easily separated layers, including muscovite, biotite, and lepidolite: mica is resistant to heat and electricity
Origin of micaModern Latin ; from L, a crumb, grain (; from Indo-European an unverified form (s)meik-, variant, variety of base an unverified form (s)mei-, to smear, rub over from source Old English smitte, a smudge): sense influenced, influence by micare, to shine, glitter ; from Indo-European an unverified form meik-, to flicker, blink
Any of a group of chemically and physically related aluminum silicate minerals, common in igneous and metamorphic rocks, characteristically splitting into flexible sheets used in insulation and electrical equipment.
Origin of micaLatin m&imacron;ca, grain (perhaps influenced by micare, to flash).
(countable and uncountable, plural micas)
From Latin mÄ«ca (“grain, crumb").