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



RESET




Word of the Day

3 July 2025

SENSE

(noun) the faculty through which the external world is apprehended; “in the dark he had to depend on touch and on his senses of smell and hearing”


coffee icon

Coffee Trivia

The New York Stock Exchange started out as a coffee house.

coffee icon