English dictionary
magnetograph
/m/&/g'n/i/t/@/,gr/&/f/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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a scientific instrument that registers magnetic variations (especially variations of the earth's magnetic field)
Source: WordNet 3.0
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An automatic instrument for registering, by photography or otherwise, the states and variations of any of the terrestrial magnetic elements.
Source: webster1913