absorptivity

/รฆbหŒsษ”ษนpหˆtษชvษ™.ti/

IPA: /AH0 B Z AO1 R P T IH1 V AH0 T IY0/

noun
  1. 1

    The quality of being absorptive; absorptiveness.

  2. 2

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

  3. 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.

Source: https://en.wiktionary.org/wiki/absorptivity