Dictionary.com
Thesaurus.com

thermomagnetic

American  
[thur-moh-mag-net-ik] / ˌθɜr moʊ mægˈnɛt ɪk /

adjective

Physics.
  1. of or relating to the effect of heat on the magnetic properties of a substance.

  2. of or relating to the effect of a magnetic field on a conductor of heat.


thermomagnetic British  
/ ˌθɜːməʊmæɡˈnɛtɪk /

adjective

  1. Former term: pyromagnetic.  of or concerned with the relationship between heat and magnetism, esp the change in temperature of a body when it is magnetized or demagnetized

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of thermomagnetic

First recorded in 1815–25; thermo- + magnetic