Term: muscovite: a colorless or pale brown mica with potassium
Broader: mica: 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 | Unrelated: prime interest rate: the interest rate on short-term loans that banks charge their commercial customers with high credit ratings
Broader: mica: 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 | Unrelated: bloater: large fatty herring lightly salted and briefly smoked