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BNC: 0 COCA: 36701
scram
verb [I] [usually in imperative] informal /skræm/
present tense
I/you/we/theyscram
he/she/itscrams
present participlescramming
past tensescrammed
past participlescrammed
Related words
  1. 1
    to leave a place quickly and immediately 迅速离开

    So now scram, OK? 现在快给我走开好不好?

    She told the boys to scram. 她让男孩们快走开。

  2. From our crowdsourced Open Dictionary
    2
    the act of shutting down a nuclear reactor

    We must scram the plant if the water level gets too low!

    Submitted by LDUNLAP from United States on 27/05/2010
scram
noun
  1. From our crowdsourced Open Dictionary
    a fast shutdown of a nuclear reactor during an emergency, by quickly inserting control rods into the core. Supposedly derived during the infancy of nuclear reactors when Norman Hilbury was stationed with an axe to cut a rope holding the safety control rod during the experiment at the Chicago Pile on 2nd December 1942, when reactor criticality was first demonstrated.

    The reactor scram automatically occurred due to high neutron flux.

    Submitted by LDUNLAP from United States on 24/05/2010

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