atomic pile

English

Etymology

atomic + French pile (“battery”).

Noun

atomic pile (plural atomic piles)

  1. (physics) an early nuclear reactor fuelled by uranium and moderated with graphite
    • 1948 The second atomic pile at the Government's research establishment at Harwell . . . is expected to be brought into use this summer - The Times (London) May 11 1948 pg 2 col A

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