safety valve - definition in the American English Dictionary - Cambridge Dictionaries Online

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English definition of “safety valve”

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safety valve

noun [C]  /ˈseɪf·ti ˌvælv/
a device on a machine that allows steam or gas to escape if there is too much pressure: fig. For people with stressful jobs, weekends in the country can be a good safety valve.
Translations of “safety valve”
in Chinese (Traditional) 機器, 安全閥…
in Chinese (Simplified) 机器, 安全阀…
(Definition of safety valve from the Cambridge Academic Content Dictionary © Cambridge University Press)
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