'nuclear reactor' definitions:
Definition of 'nuclear reactor'
From: WordNet
noun
(physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements [syn: nuclear reactor, reactor]
Definition of 'nuclear reactor'
From: GCIDE
- nuclear reactor \nuclear reactor\ n. (phys.) 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.
- Syn: reactor, atomic pile, fission reactor, nuclear pile [WordNet 1.5 +PJC]