Absorbtance is a synonym of absorptance.
As nouns the difference between absorptance and absorbtance
is that absorptance is absorbed radiation and incident radiation in a ratio format; a measurement that shows how well a surface absorbs radiation while absorbtance is the ratio of the radiant flux absorbed by a body to that incident upon it.
absorptance
English
Noun
(
en noun)
(optics, physics) Absorbed radiation and incident radiation in a ratio format; a measurement that shows how well a surface absorbs radiation.
See also
* absorbance
* absorbancy
References
absorbtance
English
Noun
(
en noun)
(physics) The ratio of the radiant flux absorbed by a body to that incident upon it
Synonyms
* absorptance
See also
* absorbance