thermochroism


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ther·mo·chro·sis

(ther'mō-krō'sis),
The selective action of certain substances on radiant heat, absorbing some of the rays, reflecting or transmitting others.
Synonym(s): thermochroism
[thermo- + G. chrōsis, coloring]

thermochroism

(thĕr-mŏk′rō-ĭzm) [″ + chroa, color]
Property of a substance reflecting or transmitting portions of thermal radiation and absorbing or altering others.
thermochroic, adjective