ABSORPTIVITY

absorptivity, absorption factor

(noun) (physics) the property of a body that determines the fraction of the incident radiation or sound flux absorbed or absorbable by the body

Source: WordNet® 3.1


Etymology

Noun

absorptivity (plural absorptivities)

The quality of being absorptive; absorptiveness. [First attested in the mid 19th century.]

(thermodynamics) The fraction of radiation absorbed by a surface to the total radiation incident on the surface. [First attested in the mid 19th century.]

(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

• absorption coefficient

• absorption factor

Source: Wiktionary


Ab`sorp*tiv"i*ty, n.

Definition: Absorptiveness.

Source: Webster’s Unabridged Dictionary 1913 Edition



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9 May 2025

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