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space sickness

noun, Pathology.
a complex of symptoms including nausea, lethargy, headache, and sweating, occurring among astronauts under conditions of weightlessness.
Origin of space sickness
1950-55 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for space-sickness

space sickness

the nausea that people can experience in the gravity-free environment of space
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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space-sickness in Medicine

space sickness n.
Motion sickness caused by sustained weightlessness during space flight, usually accompanied by disturbance of the inner ear.

space'sick' (spās'sĭk') adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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