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hereditarian

[huh-red-i-tair-ee-uh n]
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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).
adjective
  1. characteristic of or based on such belief: hereditarian theories.

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
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