absorptivity

American  

[ab-sawrp-tiv-i-tee, -zawrp-] / ˈæb sɔrpˈtɪv ɪ ti, -zɔrp- /

noun

Physics.

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

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absorptivity British  

/ 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

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Etymology

Origin of absorptivity

First recorded in 1860–65; absorptive + -ity

Example Sentences

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

From The Guardian • Mar. 31, 2017

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

From The BYU Solar Cooker/Cooler by Jones, Steven E.