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hereditarian

[huh-red-i-tair-ee-uh n]
noun
  1. a person who believes that differences between individuals or groups, including moral and intellectual attributes, are predominantly determined by genetic factors (opposed to environmentalist).
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adjective
  1. characteristic of or based on such belief: hereditarian theories.
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Origin of hereditarian

Related formshe·red·i·tar·i·an·ism, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for hereditarianism

hereditarianism

noun
  1. psychol a school of thought that emphasizes the influence of heredity in the determination of human behaviourCompare environmentalism
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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