Is “Hydrotropism” a Scrabble word?
Yes
HYDROTROPISM
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 Hydrotropism
noun
1.The movement of a plant (or other organism) either towards or away from water