SAFETY VALVE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

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

Synonyms:

escape; escape cock; escape valve; relief valve; safety valve

Classified under:

Nouns denoting man-made objects

Hypernyms ("safety valve" is a kind of...):

regulator (any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc.)

valve (control consisting of a mechanical device for controlling the flow of a fluid)

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