magnetorestriction
magnetorestriction
(măg-nē″tō-rĕ-strĭk′shŭn)The fractional change in the length of a metal in response to a magnetic field. This length change makes metals vibrate. The vibration can be used, e.g., in dentistry, to remove scale from teeth.
magnetorestrictive (tĭv), adjectiveMedical Dictionary, © 2009 Farlex and Partners