electrometer
n. மின்மானி.
E`lec*trom"e*ter, n. Etym: [Electro- + -meter: cf. F. électromètre.] (Physics) Defn: An instrument for measuring the quantity or intensity of electricity; also, sometimes, and less properly, applied to an instrument which indicates the presence of electricity (usually called an electroscope). Balance electrometer. See under Balance.