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

a rainbow produced when water droplets in the air reflect light from the moon rather than the sun

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platform capitalism

a way of doing business that involves recruiting large numbers of people who work for themselves using the company's platform, as used by companies such as Uber, Deliveroo and the like

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