Definitions for absorptanceæbˈsɔrp təns, -ˈzɔrp-

This page provides all possible meanings and translations of the word absorptance

Random House Webster's College Dictionary

ab•sorp•tanceæbˈsɔrp təns, -ˈzɔrp-(n.)

  1. the ratio of the amount of radiation absorbed by a surface to the amount of radiation incident upon it.

    Category: Physics, Optics

Origin of absorptance:


Princeton's WordNet

  1. absorption coefficient, coefficient of absorption, absorptance(noun)

    a measure of the rate of decrease in the intensity of electromagnetic radiation (as light) as it passes through a given substance; the fraction of incident radiant energy absorbed per unit mass or thickness of an absorber

    "absorptance equals 1 minus transmittance"


  1. absorptance(Noun)

    The ability of an object to absorb radiation, measured as the ratio of absorbed flux to incident flux.

  2. Origin: Circa 20th century, from .


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