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Definition of "extravehicular activity" []

  • Activity or maneuvers performed by an astronaut outside a spacecraft in space. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "extravehicular activity" in a sentence
  • "Once the indicator needle fell below the blue at the bottom of the scale, it would be safe for a man in a spacesuit to engage in EVA — extravehicular activity — outside the ship."