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absorptivity

American

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

noun

Physics.

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

absorptivity British

/ ˌæbsɔːpˈtɪvɪtɪ, -zɔːp- /

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of absorptivity

First recorded in 1860–65; absorptive + -ity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023