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n. (used with a sing. verb)
The belief that deterioration of the human gene pool occurs by the increased survival and reproduction of people with undesirable traits.
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.
(Anthropology & Ethnology) (functioning as singular) the study of factors capable of reducing the quality of a race or strain, esp the human race. Also called: cacogenics
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
n. (used with a sing. v.)
the study of factors causing genetic deterioration in a population or species.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||dysgenics - the study of the operation of factors causing degeneration in the type of offspring produced|
bioscience, life science - any of the branches of natural science dealing with the structure and behavior of living organisms
eugenics - the study of methods of improving genetic qualities by selective breeding (especially as applied to human mating)
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