accumulation point

18 LETTERS · STARTS WITH A

accumulation point is a valid 18-letter word worth 25 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

A1C3C3U1M3U1L1A1T1I1O1N1P3O1I1N1T1

1 + 3 + 3 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 =25 PTS

DOUBLE WORD → 50TRIPLE WORD → 75

MEANING

What does accumulation point mean?