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Entry 1 sense Webster, 1913

Galvanometer

· Gal·va·nom·e·ter · IPA /ˌɡæl.vəˈnɑm.ət.ɚ/
01 n. An instrument or apparatus for measuring the intensity of an electric current, usually by the deflection of a magnetic needle.
  1. 1.
    An instrument or apparatus for measuring the intensity of an electric current, usually by the deflection of a magnetic needle.(Elec.)
Phrases & compounds
Differential galvanometer — See under Differental, a.
Sine galvanometer — a galvanometer in which the sine, cosine, or tangent respectively, of the angle through which the needle is deflected, is proportional to the strength of the current passed through the instrument.