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heavy chain
heavy cream
heavy-duty
heavy-footed
heavy goods vehicle
heavy-handed
heavy-hearted
heavy hitter
heavy hydrogen
heavy industry
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heavy lifting
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heavy hydrogen
heav·y hy·dro·gen


noun 
Definition:
 
isotope of hydrogen: an isotope of hydrogen with a mass number greater than one, especially deuterium
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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