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wear down
wear off
wear out
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wearing course
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Also available:
World English Dictionary
Dictionnaire Français
wearing course
wear·ing course
(
plural
wear·ing cours·es
)
noun
Definition:
upper layer of roadway:
the upper layer of an asphalt or bitumen roadway
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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