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slow neutron
slow neu·tron (plural slow neu·trons)


noun 
Definition:
 
slow-moving neutron: a relatively slow-moving neutron that possesses less than 100 electron volts of kinetic energy and is capable of bringing about nuclear fission
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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