absorptance

IPA: ʌbzˈɔrptʌns

(optics, physics) Absorbed radiation and incident radiation in a ratio format; a measurement that shows how well a surface absorbs radiation.

Examples of "absorptance" in Sentences

Is the absorptance a background number which I cannot see?
In addition, the absorptance of the pots appears less than optimal.
Two things to keep clear when thinking about emissivity, it is commonly under stood that emissivity = absorptance.
So the 70 % of the earth surface that is ocean must have a fairly good grey body absorption spectrum with an absorptance of over 95%.
We were cocksure to cheese gift to panoply onwards but the tongueless overblown us from strindberg the absorptance, so we get an properly schizoid in bastnaesite.
Acktar Black ™ coatings have an absorptance of ~ 99. 9% at incident angles of up to 20 degrees and ~ 99. 5% at incident angles of up to 60 degrees and have thickness of only few microns.
Certainly, over the tropical midday deep oceans, the ocean absorptance must be in teh range of 97-98%, since the near normal incident radiation simply goes on down till something absorbs it.
The anti-oxidant potency of krill oil is such that when compared to fish oil in tems of ORAC Oxygen radical absorptance capacity values it was found to be 48 times more potent than fish oil.