atomic pile
English
Etymology
atomic + (deprecated template usage) [etyl] French pile (“battery”).
Noun
atomic pile (plural atomic piles)
- (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