magnetostriction

(redirected from Wiedemann effect)
Also found in: Encyclopedia.

mag·ne·to·stric·tion

 (măg-nē′tō-strĭk′shən)
n.
Deformation of a material, especially a ferromagnetic material, exposed to a magnetic field. Rapidly alternating magnetostriction causes the iron cores of transformers to hum or buzz.


mag·ne′to·stric′tive adj.

magnetostriction

(mæɡˌniːtəʊˈstrɪkʃən)
n
(General Physics) a change in dimensions of a ferromagnetic material that is subjected to a magnetic field
[C19: from magneto- + constriction]
magˌnetoˈstrictive adj

mag•ne•to•stric•tion

(mægˌni toʊˈstrɪk ʃən)

n.
a change in dimensions exhibited by ferromagnetic materials when subjected to a magnetic field.
[1895–1900]
mag•ne`to•stric′tive (-təˈstrɪk tɪv) adj.