mag·ne·to·stric·tion (m g-n  t -str k sh n)n. Deformation of a ferromagnetic material subjected to a magnetic field. [magneto- + (con)striction.] mag·ne to·strictive adj. |
magnetostriction [mægˌniːtəʊˈstrɪkʃən]
n
(Physics / General Physics) a change in dimensions of a ferromagnetic material that is subjected to a magnetic field
[from magneto- + constriction]
magnetostrictive adj
| magnetostriction (mg-nt-r-strkshn) The change in shape and density of a substance, especially a ferromagnetic substance, when exposed to a magnetic field. The change depends on the direction and strength of the magnetic field. Rapid, alternating magnetostriction causes the iron cores of household transformers, which are subject to a changing magnetic field, to hum or buzz. |
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