absorptivity

Noun

 * 1) The quality of being absorptive; absorptiveness.
 * 2)  The fraction of radiation absorbed by a surface to the total radiation incident on the surface.
 * 3)  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.

Translations

 * Arabic: مَصَّاصِيَّة
 * Dutch:
 * Finnish: absorboivuus
 * French:
 * Persian:
 * Portuguese: absortividade
 * Romanian: absorbtivitate