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absorptivity

noun

ab·​sorp·​tiv·​i·​ty əb-ˌsȯrp-ˈti-və-tē How to pronounce absorptivity (audio)
-ˌzȯrp-
plural absorptivities
: the property of a body that determines the fraction of incident radiation absorbed by the body

Example Sentences

Recent Examples on the Web The researchers also noted that controlling the microscopic structure of the sail—such as by using alternating layers of material, each only nanometers (billionths of a meter) thick—could boost its reflectivity and reduce its absorptivity. Charles Q. Choi, Scientific American, 10 May 2018

Word History

Etymology

absorptive + -ity

First Known Use

1872, in the meaning defined above

Time Traveler
The first known use of absorptivity was in 1872

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