magnetometer Meaning, Definition & Usage

  1. noun a meter to compare strengths of magnetic fields
    gaussmeter.

WordNet

Mag`net*om"e*ter noun
Etymology
Magneto- + -meter: cf. F. magnétomètre.
Definitions
  1. (Physics) An instrument for measuring the intensity of magnetic forces; also, less frequently, an instrument for determining any of the terrestrial magnetic elements, as the dip and declination.

Webster 1913