mica

Từ điển WordNet v3.1 - WordNet Dictionary

noun

any of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves;
used as dielectrics because of their resistance to electricity
• Syn:
isinglass
• Derivationally related forms:
micaceous
• Hypernyms:
mineral, transparent substance, translucent substance
• Hyponyms:
biotite, lepidolite, muscovite, paragonite, phlogopite, zinnwaldite