ab·​sorp·​tance əb-ˈsȯrp-tən(t)s How to pronounce absorptance (audio)
: the ratio of the radiant energy absorbed by a body to that incident upon it

Word History


absorpt- (as in absorptive) + -ance

First Known Use

circa 1931, in the meaning defined above

Time Traveler
The first known use of absorptance was circa 1931

Dictionary Entries Near absorptance

Cite this Entry

“Absorptance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/absorptance. Accessed 29 Mar. 2023.

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