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Favorable response to a low dose of an agent, such as alcohol, that has a detrimental effect at a higher dose.

[Greek hormēsis, eagerness, rapid motion, from hormān, to urge on; see hormone.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


a beneficial effect arising from exposure to a very small amount of a toxic substance
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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