24-hour interval

NOUN
16 LETTERS · STARTS WITH H

24-hour interval is a valid 16-letter word worth 18 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
2040-0H4O1U1R1I1N1T1E1R1V4A1L1
0 + 0 + 0 + 4 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 4 + 1 + 1 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does 24-hour interval mean?

NOUN · 1 SENSE