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extravehicular activity

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ex·tra·ve·hic·u·lar activity   (ěk'strə-vē-hĭk'yə-lər)   
n.   Abbr. EVA
Activity or maneuvers performed by an astronaut outside a spacecraft in space.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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