magnetograph

[mag-nee-tuh-graf, -grahf]

noun

1. a recording magnetometer, used especially for recording variations in the earth's magnetic field.

magnetograph

/ -ˌɡræf, mæɡˈniːtəʊˌɡrɑːf /

noun

1. a recording magnetometer, usually used for studying variations in the earth's magnetic field

magnetograph

1. A recording of the strength and direction of a magnetic field made by a magnetometer.

2. Also called magnetogram

3. See magnetometer

Other Word Forms

• magnetographic adjective

Word History and Origins

Origin of magnetograph¹

First recorded in 1840–50; magneto- + -graph

Example Sentences

In 1887, the magnetographs registered the Riviera earthquake at these and several other observatories, the distribution of which is shown in Fig.

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The first was, that as we advanced to the west we were leaving the South Magnetic Pole, and I was anxious to have our magnetographs running as near the latter as possible.

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In all the magnetographs, the record is made on photographic paper, which travels so slowly that the time of a movement can only be ascertained to the nearest minute.

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Far beyond the limits of the disturbed area, however, the long slow waves sped over the surface, disturbing magnetographs and other delicate instruments.

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M. Offret does not include Nice in his list of observatories at which magnetographs were disturbed.

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