Is “Thermotropism” a Scrabble word?
Yes
THERMOTROPISM
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 Thermotropism
noun
1.Thermotropic movement of a plant or plant part in response to changes in temperature.