Is “Absorptivity” a Scrabble word?
Yes
ABSORPTIVITY
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Absorptivity
/æbˌsɔɹpˈtɪvə.ti/
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.
Synonyms: absorption coefficient, absorption factor