drainage theory

15 LETTERS · STARTS WITH D

drainage theory is a valid 15-letter word worth 22 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2R1A1I1N1A1G2E1T1H4E1O1R1Y4

2 + 1 + 1 + 1 + 1 + 1 + 2 + 1 + 0 + 1 + 4 + 1 + 1 + 1 + 4 =22 PTS

DOUBLE WORD → 44TRIPLE WORD → 66

MEANING

What does drainage theory mean?