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extremely
extremely high frequency
extremely low frequency
extremism
extremity
extremophile
extricate
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extravehicular
ex·tra·ve·hic·u·lar [ èkstrə vi híkyələr ]


adjective 
Definition:
 
happening outside spacecraft: happening or for use outside a spacecraft
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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