long duration

13 LETTERS · STARTS WITH L

long duration is a valid 13-letter word worth 14 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

L1O1N1G2D2U1R1A1T1I1O1N1

1 + 1 + 1 + 2 + 0 + 2 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =14 PTS

DOUBLE WORD → 28TRIPLE WORD → 42

MEANING

What does long duration mean?