HALOBIONTS

Yes, HALOBIONTS is a Scrabble word!

Letter values in Scrabble US: H 4, A 1, L 1, O 1, B 3, I 1, O 1, N 1, T 1, S 1.H 4 · A 1 · L 1 · O 1 · B 3 · I 1 · O 1 · N 1 · T 1 · S 1

Is it a valid word?

• Scrabble US: valid, 15 points.Scrabble USYour dictionary · Change (go to the dictionary switch)Valid · 15 points
• Scrabble UK: valid, 15 points. Make Scrabble UK your dictionary.Scrabble UKYour dictionary · ChangeValid · 15 points
• Words with Friends: not a valid word. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeNot a valid word