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

/ măg-nē′tō-grăf′ /

1. A recording of the strength and direction of a magnetic field made by a magnetometer.
2. Also called magnetogram
3. See magnetometer

Other Words From

• mag·ne·to·graph·ic [mag-nee-t, uh, -, graf, -ik], 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.

From Project Gutenberg

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.

From Project Gutenberg

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.

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg