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dysgenics

American  
[dis-jen-iks] / dɪsˈdʒɛn ɪks /

noun

(used with a singular verb)

  1. the study of the operation of factors that cause degeneration in offspring.

dysgenics British  
/ dɪsˈdʒɛnɪks /

noun

  1. Also called: cacogenics.  (functioning as singular) the study of factors capable of reducing the quality of a race or strain, esp the human race

"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

Etymology

Origin of dysgenics

First recorded in 1915–20; see origin at dysgenic, -ics

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.