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vanquish
vantage
vantage ground
vantage point
Vanuatu
vanward
vapid
vapor
vapor barrier
vapor density
vapor lock
vapor pressure
vapor trail
vaporer moth
vaporescence
vaporetto
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vapor barrier
va·por bar·ri·er


noun 
Definition:
 
layer excluding moisture: a protective layer of material used in building to keep out moisture
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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