mag·​ne·​to-op·​tic mag-ˌnē-tō-ˈäp-tik How to pronounce magneto-optic (audio)
variants or less commonly magneto-optical
: of, relating to, or utilizing the influence of a magnetic field upon light
a magneto-optic disk drive
magneto-optics noun, plural in form but singular or plural in construction

Word History

First Known Use

1848, in the meaning defined above

Time Traveler
The first known use of magneto-optic was in 1848

Dictionary Entries Near magneto-optic

Cite this Entry

“Magneto-optic.” Dictionary, Merriam-Webster, Accessed 28 Sep. 2023.

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