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calorescence

American  
[kal-uh-res-uhns] / ˌkæl əˈrɛs əns /

noun

Physics.
  1. incandescence caused by absorption of radiation having a frequency below that of visible light.


calorescence British  
/ ˌkæləˈrɛsəns /

noun

  1. physics the absorption of radiation by a body, subsequently re-emitted at a higher frequency (lower wavelength)

"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

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Etymology

Origin of calorescence

1855–65; < Latin calor heat + -escence