[ mag-nee-toh-op-tik ]
/ mægˌni toʊˈɒp tɪk /


pertaining to the effect of magnetism upon the propagation of light.


Discover The Influence Of Portuguese On English Via This Quiz!
We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Do you know what they mean?
Question 1 of 11
Which of the following animal names traces its immediate origin to Portuguese?

Origin of magnetooptic

First recorded in 1880–85; magneto- + optic

OTHER WORDS FROM magnetooptic

mag·ne·to·op·ti·cal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020