輻ふく射しゃ能のう

noun

emissive power; emissivity

Technical physics term for the ability of a surface to emit thermal radiation, often compared to a blackbody.

• この材ざい料りょうの輻ふく射しゃ能のうは温おん度どによって変へん化かする。

  The emissivity of this material changes with temperature.