from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of several devices in which a chain reaction is initiated and controlled, with the resulting heat typically used for power generation and the neutrons and fission products used for military, experimental, and medical purposes. Also called atomic reactor.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any device in which a controlled chain reaction is maintained for the purpose of creating heat (for power generation) or for creating neutrons and other fission products for experimental, medical or other purposes.
from the GNU version of the Collaborative International Dictionary of English
- n. Any of several devices that maintain and control a sustained nuclear fission chain reaction, for the production of energy, heat, or artificial elements, or for research purposes. The main fuel sustaining the reaction and consumed by the process is typically uranium or plutonium.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements
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