mica

Từ điển Oxford Learners Wordfinder 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