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breechblock
breechcloth
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breed
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breeder reactor
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breeder reactor
breed·er re·ac·tor (plural breed·er re·ac·tors)


noun 
Definition:
 
nuclear reactor with production exceeding consumption: a nuclear reactor that produces more fuel than it consumes. This kind of reactor is used mainly to produce plutonium.
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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