HYPERTONIC

Yes, HYPERTONIC is a Scrabble word!

Letter values in Scrabble US: H 4, Y 4, P 3, E 1, R 1, T 1, O 1, N 1, I 1, C 3.H 4 · Y 4 · P 3 · E 1 · R 1 · T 1 · O 1 · N 1 · I 1 · C 3

Is it a valid word?

• Scrabble US: valid, 20 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 20 points
• Scrabble UK: valid, 20 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 20 points
• Words with Friends: valid, 21 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 21 points