Skip to definition.
Get the FREE one-click dictionary software for Windows.


Noun: absorptance  ub'sorptuns
  1. 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"
    - absorption coefficient, coefficient of absorption

Derived forms: absorptances

Type of: coefficient

Nearest

absorbance
absorbate
absorbed
absorbefacient
absorbency
absorbent
absorbent cotton
absorbent material
absorber
absorbing
absorptance
absorption
absorption band
absorption coefficient
absorption factor
absorption indicator
absorption spectrum
absorption unit
absorptive
absorptivity
absquatulate