absorptivity
English
Etymology
Etymology tree
From absorptive + -ity.
Pronunciation
Noun
absorptivity (plural absorptivities)
- The quality of being absorptive; absorptiveness. [First attested in the mid 19th century.][1]
- (thermodynamics) The fraction of radiation absorbed by a surface to the total radiation incident on the surface. [First attested in the mid 19th century.][1]
- (analytical chemistry) The constant a in the Beer's law relation A = abc, where A is the absorbance, b the path length, and c the concentration of solution. Also known as absorptive power. Formerly known as absorbency index; absorption constant; extinction coefficient.
Synonyms
Translations
the quality of being absorptive
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constant in Beer's law
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fraction of radiation
References
- ↑ 1.0 1.1 Lesley Brown, editor-in-chief, William R. Trumble and Angus Stevenson, editors (2002), “absorptivity”, in The Shorter Oxford English Dictionary on Historical Principles, 5th edition, Oxford; New York, N.Y.: Oxford University Press, →ISBN, page 9.