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atomic pile

noun, Physics.
reactor (def 4).
1940-45 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for atomic pile
  • Therefore, they never were able to sustain a chain reaction, and they were never able to built an atomic pile.
British Dictionary definitions for atomic pile

atomic pile

the original name for a nuclear reactor
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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atomic pile in Science
atomic pile  
An early type of nuclear reactor whose core consisted of layers of graphite block interspersed with uranium, designed to create a sustained fission reaction.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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