English Dictionary

absorptivity

/æbˌsɔɹpˈtɪvə.ti/

noun

The quality of being absorptive; absorptiveness. / (thermodynamics) The fraction of radiation absorbed by a surface to the total radiation incident on the surface.

The absorptivity of the material is crucial for its performance.

意味（1）

The quality of being absorptive; absorptiveness.

意味（2）

(thermodynamics) The fraction of radiation absorbed by a surface to the total radiation incident on the surface.

意味（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.