electroscope
n. மின்காட்டி, பொருளில் மின்னாற்றல் இருப்பதையும் அழ்ன் இயல்பையும் காட்டும் கருவி.
E*lec"tro*scope, n. Etym: [Electro- + -scope: cf. F. électroscope.] (Physics) Defn: An instrument for detecting the presence of electricity, or changes in the electric state of bodies, or the species of electricity present, as by means of pith balls, and the like. Condensing electroscope (Physics), a form of electroscope in which an increase of sensibility is obtained by the use of a condenser.