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UKRelief valve
/ɹɪlˈiːf vˈalv/
/ɹɪlˈiːf vˈælv/Relief valve
[NOUN]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
Examples
1. That was the relief valve.
2. Additionally the tanker had no emergency pressure relief valves.
3. It was just like a relief valve, you know?
4. But that might be one relief valve, but it won't come into play early in a crisis.
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