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KK Pronunciation

〔 әb`sɒrptәns 〕


〔 әbˋsɒ:ptәns 〕

Overview of noun absorptance

The noun absorptance has 1 sense

  • absorption coefficient, coefficient of absorption, absorptance -- (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")