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consequential
consequentialism
consequently
conservancy
conservation
conservation area
conservation biology
conservation of charge
conservation of energy
conservation of mass
conservation of momentum
conservation officer
conservationist
Conservatism
conservatism
Conservative
conservative
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conservation of energy
con·ser·va·tion of en·er·gy


noun 
Definition:
 
energy remaining constant: the principle that the amount of energy in an isolated system remains the same, even though the form of energy may change
Encarta® World English Dictionary [North American Edition] © & (P)2007 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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