ELECTROMETER • DICCIONARIO INGLES.COM • Definition of Electrometer

... to beam and spring balances (see WEIGHING MACHINES), apparatus termed "torsion balances," in which forces are measured or compared by their twisting moment on a wire, are used, especially in gravitational, electrostatic and magnetic experiments (see GRAVITATION and ELECTROMETER). The term also connotes the idea of equality or equalization; e.g. in the following expressions: "balance," in bookkeeping, the amount which equalizes the debit and credit accounts; "balance wheel," [v.03 p.0235] in horology, a device for equalizing ...

— Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 - "Baconthorpe" to "Bankruptcy" • Various