gradiometer

[ grey-dee-om-i-ter ]

noun

, Physics.

1. any instrument used to measure a gradient, as the rate of change of the geomagnetic field. Compare gradient ( def 3a ).

gradiometer

/ ˌɡrædɪˈɒmɪtə /

noun

1. physics an instrument for measuring the gradient of a magnetic field
2. surveying an instrument used to ensure that a long gradient remains constant

Word History and Origins

Origin of gradiometer¹

First recorded in 1800–10; gradi(ent) + -o- + -meter

Example Sentences

For example, big metal objects can interfere with the gradiometer and power lines mess with the electrical resistance meter scans.

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