OMMATIDIAL

Yes, OMMATIDIAL is a Scrabble word!

Letter values in Scrabble US: O 1, M 3, M 3, A 1, T 1, I 1, D 2, I 1, A 1, L 1.O 1 · M 3 · M 3 · A 1 · T 1 · I 1 · D 2 · I 1 · A 1 · L 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: valid, 18 points. Make Words with Friends your dictionary.Words with FriendsYour dictionary · ChangeValid · 18 points