safety valve (n)
relief valve (n)
escape valve (n)
escape cock (n)
escape (n)

n04127633

type n
lex_filenum 06
def a valve in a container in which pressure can build up (as a steam boiler)
def it opens automatically when the pressure reaches a dangerous level
Outgoing links
Hypernym valve; regulator
Incoming links
Hyponym regulator; valve

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