magnetostriction

noun

mag·​ne·​to·​stric·​tion mag-ˌnē-tō-ˈstrik-shən 

-ˌne-

: the change in the dimensions of a ferromagnetic body caused by a change in its state of magnetization

magnetostrictive

mag-ˌnē-tō-ˈstrik-tiv 

-ˌne-

adjective

magnetostrictively adverb

Word History

Etymology

magneto- + -striction (as in constriction)

First Known Use

1896, in the meaning defined above