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subsoil
subsoiler
subsolar
subsong
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substance
substance abuse
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substance abuse
sub·stance a·buse


noun 
Definition:
 
excessive consumption or misuse of substance: the excessive consumption or misuse of a substance for the sake of its nontherapeutic effects on the mind or body, especially drugs or alcohol
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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