WordReference Random House Unabridged Dictionary of American English © 2026
atom′ic pile′, [Physics.]
  1. Physicsreactor (def. 4).
  • 1940–45

Collins Concise English Dictionary © HarperCollins Publishers::
atomic pile
  1. the original name for a nuclear reactor
'atomic pile' also found in these entries (note: many are not synonyms or translations):
reactor

Forum discussions with the word(s) "atomic pile" in the title:


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