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UPC
upcast
upchuck
upcoming
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upcurving
update
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updraft
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updraft
up·draft [ úp dràft ] (plural up·drafts)


noun 
Definition:
 
air moving upward: a current of air that is moving upward
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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