[huh-red-i-tair-ee-uh n]


a person who believes that differences between individuals or groups, including moral and intellectual attributes, are predominantly determined by genetic factors (opposed to environmentalist).


characteristic of or based on such belief: hereditarian theories.

Nearby words

  1. heredes,
  2. heredia,
  3. heredia, josé maría de,
  4. hereditable,
  5. hereditament,
  6. hereditarianism,
  7. hereditary,
  8. hereditary angioneurotic edema,
  9. hereditary cerebellar ataxia,
  10. hereditary cerebral leukodystrophy

Origin of hereditarian

Related formshe·red·i·tar·i·an·ism, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for hereditarianism



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