Definition of Absorptance in English :

Define Absorptance in English

Absorptance meaning in English

Meaning of Absorptance in English

Pronunciation of Absorptance in English

Absorptance pronunciation in English

Pronounce Absorptance in English


see synonyms of absorptance


1. absorptance, absorption coefficient, coefficient of absorption

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

Example Sentences:
'absorptance equals 1 minus transmittance'

WordNet Lexical Database for English. Princeton University. 2010.


see synonyms of absorptance
a measure of the ability of an object to absorb radiation, equal to the ratio of the absorbed radiant flux to the incident flux. For a layer of material the ratio of the flux absorbed between the entry and exit surfaces of the layer to the flux leaving the entry surface is the internal absorptance
. Symbol: α Compare reflectance, transmittance

Collins English Dictionary. Copyright © HarperCollins Publishers


see synonyms of absorptance
The ratio of the radiation absorbed by a surface to the radiation incident to it.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.