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surface-to-surface
surfactant
surfari
surfbird
surfboard
surfboat
surfcasting
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surface-active
sur·face-ac·tive


adjective 
Definition:
 
lowering surface tension: having the property of reducing the surface tension of a liquid so that the liquid spreads out, rather than collecting in droplets
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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