absorptance
nounUK /əbˈzɔːp.tn̩s/ · US /æbˈsɔɹp.tn̩s/
Etymology Circa 20th century, from absorption + -ance.
1
Engineering, Natural sciences, Optics, Physical sciences, Physics Absorbed radiation and incident radiation in a ratio format; a measurement that shows how well a surface absorbs radiation.
- Related terms
- absorbance, absorbancy