safety valve

名词 n. 动词 v.
中文释义
英 /ˈseɪftɪ ˌvælv/    美 /ˈseɪfti ˌvælv/

英文释义

名词 n.
  1. A valve set to open at a pressure below that at which a container holding a gas, vapour, etc. (such as a boiler or pressure cooker), would burst, thus reducing the pressure; a relief valve.
    — Spun glass mattresses are used for lagging the boiler, which has three Ross pop safety valves on the front ring.
  2. A valve set to close a container holding a gas or vapour to prevent excessive loss of pressure. broadly
  3. Any mechanism offering relief from physical or emotional pressure or tension. figuratively
    — […] I have often thought that it was a great error in our legislature when they consented to put down the public lotteries in England. I am convinced that they were beneficial, acting as safety-valves to the gambling spirit of the nation, and that their prohibition has been productive of much crime and misery.
  4. Any mechanism offering relief from physical or emotional pressure or tension.; A United States law, codified at 18 United States Code §3553(f), authorizing a judge to disregard mandatory minimum sentences for some criminals with few or no prior offenses. US,figuratively
    — Hernández additionally requested that he be given a two-level safety-valve reduction pursuant to U.S.S.G. § 5C1.2, which mitigates the harsh effect of mandatory minimum sentences on certain first-time offenders who played only supporting roles in drug-trafficking schemes and who provided testimony about their involvement in the criminal activity.
动词 v.
  1. Alternative form of safety-valve. alt-of,alternative

词形变化

safety valves plural safety-valve alternative safety valves present,singular,third-person safety valving participle,present safety valved participle,past safety valved past safety-valve alternative

词汇关系

下位词
Ramsbottom safety valve spring valve
衍生词
Ramsbottom safety valve safety-valve

词源

词源 1
From safety + valve.
词源 2
See safety-valve.
0 次浏览 数据来源: Wiktionary