root pressure

13 LETTERS · STARTS WITH R

root pressure is a valid 13-letter word worth 14 points in Scrabble and 16 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1O1O1T1P3R1E1S1S1U1R1E1

1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =14 PTS

DOUBLE WORD → 28TRIPLE WORD → 42

MEANING

What does root pressure mean?