galvanometer noun. [galvǝ'nɒmɪtǝ] E19.
[from GALVANO- + -METER.]
An instrument for detecting and measuring small electric currents, usu. by the deflection of a magnetic needle by the current in a magnetic field.
BALLISTIC galvanometer.

■ galvano'metric,

■ galvano'metrical adjectives of or pertaining to galvanometers or galvanometry M19.

■ galvanometry noun the detection and measurement of small electric currents (by means of galvanometers) L19.

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