atomic cluster

14 LETTERS · STARTS WITH A

atomic cluster is a valid 14-letter word worth 19 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

A1T1O1M3I1C3C3L1U1S1T1E1R1

1 + 1 + 1 + 3 + 1 + 3 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 1 =19 PTS

DOUBLE WORD → 38TRIPLE WORD → 57

MEANING

What does atomic cluster mean?