Is “Biofeedback” a Scrabble word?
Yes
BIOFEEDBACK
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 Biofeedback
noun
1.A technique consisting of measuring a person's quantifiable bodily functions, such as blood pressure, heart rate, skin temperature, sweat gland activity, and muscle tension, then conveying the information to the person in real-time.