absorptivity

[ ab-sawrp-tiv-i-tee, -zawrp- ]

noun

, Physics.

1. the property of a body that determines the fraction of incident radiation absorbed or absorbable by the body.

absorptivity

/ ˌæbsɔːpˈtɪvɪtɪ; -zɔːp- /

noun

1. physics a measure of the ability of a material to absorb radiation, equal to the internal absorptance of a homogeneous layer of the material under conditions in which the path of the radiation has unit length and the boundaries of the layer have no influence

Word History and Origins

Origin of absorptivity¹

First recorded in 1860–65; absorptive + -ity

Example Sentences

To help Kol’s model make similar forecasts, Manwadkar plans to run many simulations of single stars colliding with pairs, which will help sketch out the shape of the enigmatic absorptivity function point by point.

From Scientific American

But, in the end he was able to quantify the importance of trace gases on the energy absorptivity of our atmosphere.

From The Guardian

So I experimented with different papers treated with a gelatin called aluminum sulfate, which decreases the absorptivity of the paper and allows the ink to run.

From Scientific American

Mr. Hullinger also performed studies of transmissivity, reflectivity and absorptivity of alternate materials which could be used in the Solar Funnel Cooker.

From Project Gutenberg