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Meaning of absorptance in English:

absorptance

noun

Physics

  • A measure of the degree to which a substance or object absorbs radiation incident on it, equal to the ratio of the absorbed to the incident flux.

Pronunciation

absorptance

/abˈzɔːpt(ə)ns/ /abˈsɔːpt(ə)ns/

Origin

1920s. From classical Latin absorpt-, past participial stem of absorbēre absorb + -ance, probably after reflectance.