safety valve
noun Date: 1813 1. an automatic escape or relief valve (as for a steam boiler) 2. an outlet for pent-up energy or emotion 3. something that relieves the pressure of overcrowding

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • safety valve — ˈsafety valve noun [countable] a small part on a machine that opens to let out steam or pressure when it becomes too great: • the safety valve device on the boiler * * * safety valve UK US noun [C] ► PRODUCTION a part of a machine that opens to… …   Financial and business terms

  • Safety valve — Safety chain Safety chain (a) (Railroads) A normally slack chain for preventing excessive movement between a truck and a car body in sluing. (b) An auxiliary watch chain, secured to the clothes, usually out of sight, to prevent stealing of the… …   The Collaborative International Dictionary of English

  • safety valve — safety valves 1) N COUNT A safety valve is a device which allows liquids or gases to escape from a machine when the pressure inside it becomes too great. Residents heard an enormous bang as a safety valve on the boiler failed. 2) N COUNT A safety …   English dictionary

  • safety valve — n 1.) a part of a machine that allows gas, steam etc to escape when the pressure becomes too great 2.) something that allows you to get rid of strong feelings without doing any harm ▪ Being able to express emotion is a healthy safety valve for… …   Dictionary of contemporary English

  • safety valve — ► NOUN 1) a valve that opens automatically to relieve excessive pressure. 2) a means of giving harmless vent to feelings of tension or stress …   English terms dictionary

  • safety valve — n. 1. an automatic valve for a steam boiler, pressure cooker, etc., which opens if the pressure becomes excessive 2. any outlet for the release of strong emotion, energy, etc …   English World dictionary

  • safety valve — safety ,valve noun count 1. ) a part of a piece of equipment that allows gas, air, or liquid to escape when there is too much pressure inside 2. ) a way of getting rid of strong emotions without harming anyone …   Usage of the words and phrases in modern English

  • Safety valve — A safety valve is a valve mechanism for the automatic release of a gas from a boiler, pressure vessel, or other system when the pressure or temperature exceeds preset limits. It is part of a bigger set named pressure safety valves (PSV) or… …   Wikipedia

  • safety valve — UK / US noun [countable] Word forms safety valve : singular safety valve plural safety valves 1) a part of a piece of equipment that allows gas, air, or liquid to escape when there is too much pressure inside 2) a way of getting rid of strong… …   English dictionary

  • safety valve — apsauginis vožtuvas statusas T sritis automatika atitikmenys: angl. pressure relief valve; relief valve; safety valve vok. Überdruckventil, n; Entlastungsventil, n; Sicherheitsventil, n rus. предохранительный клапан, m pranc. clapet de décharge,… …   Automatikos terminų žodynas

  • safety valve — A form of pressure relief valve that opens to relieve the pressure in the container any time the pressure rises above a predetermined value. Safety valve: it ensures that the fluid bypasses anytime the pressure builds up beyond designated value …   Aviation dictionary

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