relief valve

NOUN /rɪ'lif_vælv/
12 LETTERS · STARTS WITH R

relief valve is a valid 12-letter word worth 20 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
R1E1L1I1E1F4V4A1L1V4E1
1 + 1 + 1 + 1 + 1 + 4 + 0 + 4 + 1 + 1 + 4 + 1 =20 PTS
DOUBLE WORD → 40TRIPLE WORD → 60
MEANING

What does relief valve mean?

NOUN · 1 SENSE
1

A valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level.