closed interval

NOUN
15 LETTERS · STARTS WITH C

closed interval is a valid 15-letter word worth 20 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3L1O1S1E1D2I1N1T1E1R1V4A1L1
3 + 1 + 1 + 1 + 1 + 2 + 0 + 1 + 1 + 1 + 1 + 1 + 4 + 1 + 1 =20 PTS
DOUBLE WORD → 40TRIPLE WORD → 60
MEANING

What does closed interval mean?

NOUN · 1 SENSE
1

An interval that includes its endpoints.

BROADER