HELIOZOIC

Yes, HELIOZOIC is a Scrabble word!

Letter values in Scrabble US: H 4, E 1, L 1, I 1, O 1, Z 10, O 1, I 1, C 3.H 4 · E 1 · L 1 · I 1 · O 1 · Z 10 · O 1 · I 1 · C 3

Is it a valid word?

• Scrabble US: valid, 23 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 23 points
• Scrabble UK: valid, 23 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 23 points
• Words with Friends: not a valid word. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeNot a valid word