magnetograph

noun

mag·​ne·​to·​graph mag-ˈnē-tō-ˌgraf How to pronounce magnetograph (audio)
: an automatic instrument for recording measurements of a magnetic field (as of the earth or the sun)

Examples of magnetograph in a Sentence

Recent Examples on the Web
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To precisely study the sun's magnetic loops, researchers use a magnetograph, which measures the strength and direction of magnetic fields. Nathaniel Scharping, Discover Magazine, 1 Feb. 2016

Word History

First Known Use

1847, in the meaning defined above

Time Traveler
The first known use of magnetograph was in 1847

Dictionary Entries Near magnetograph

Cite this Entry

“Magnetograph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/magnetograph. Accessed 22 Nov. 2024.

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