absorptivity
/æbˌsɔrpˈtɪvə.ti/
构词拆解
-ity
后缀
- -ity
- Used to form an uncountable noun from an adjective; especially, to form the noun referring to the state, property, or quality of conforming to the adjective's description. · Used to form a countable noun from an adjective, referring to someone or something that conforms to the adjective's description.
词源说明
From absorptive + -ity.
释义
名词noun
- 1The quality of being absorptive; absorptiveness. [First attested in the mid 19th century.]
- 2(thermodynamics) The fraction of radiation absorbed by a surface to the total radiation incident on the surface. [First attested in the mid 19th century.]
- 3(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.