Definition of magnetorotation in US English:

magnetorotation

noun

  • Rotation of the plane of polarization of electromagnetic waves under the influence of a magnetic field (N.E.D.'s lemma was spurious, and arose from a misreading of the New Sydenham Soc. Lexicon entry for Magneto-optic rotation, given in that work at Magneto-optic in the stylized form M.-rotation).

Origin

1930s. From German Magnetorotation.

Pronunciation

magnetorotation

/maɡˌniːtə(ʊ)rə(ʊ)ˈteɪʃn/