from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun An excursion by an astronaut outside a spacecraft in space; extravehicular activity.
from the GNU version of the Collaborative International Dictionary of English.
- noun any activity by a human outside of the protective environment of a spacecraft while it is in outer space, requiring a space suit to protect the person from the vacuum and other hazards of space.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Any
activityperformed by an astronautoutside of a space vehiclein space.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun any kind of physical activity outside a spacecraft by one of the crew
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