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scram (noun)  - definition and synonyms

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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 critcality was first demonstrated.Submitted by LDUNLAP from United States on 24/05/2010

rat tail

a type of hairstyle which has a long, thin strip of hair growing down the back of the neck

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speak human

(of a politician) to be able to communicate and connect with ordinary people

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