Definition of "motion sickness" [motion sickness]

• Nausea and dizziness induced by motion, as in travel by aircraft, car, or ship. (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.

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