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expiry date
explain
explain away
explanation
explanatory
explant
expletive
expletory
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explicit option
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expertise (1)
ex·per·tise [ èkspər tz ]


noun 
Definition:
 
expert skill or knowledge: the skill, knowledge, or opinion possessed by an expert
[Mid-19th century. < French< expert- (see expert)]
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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