Is “Transmissivity” a Scrabble word?
Yes
TRANSMISSIVITY
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 Transmissivity
noun
1.A measure of the capacity of a material to transmit radiation (the ratio of the amounts of energy transmitted and received)
2.A measure of the capacity of a saturated aquifer to transmit water horizontally. SI units: m²/s. Symbol: T.