composition series

18 LETTERS · STARTS WITH C

composition series is a valid 18-letter word worth 23 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3O1M3P3O1S1I1T1I1O1N1S1E1R1I1E1S1

3 + 1 + 3 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 =23 PTS

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does composition series mean?