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Also ge·net·i·cal.

Origin of genetic

First recorded in 1825–35; gene(sis) + -tic
Related formsge·net·i·cal·ly, adverbhy·per·ge·net·ic, adjectivehy·per·ge·net·i·cal, adjectivehy·per·ge·net·i·cal·ly, adverbhy·per·ge·net·i·cal·ness, nounnon·ge·net·ic, adjectivenon·ge·net·i·cal, adjectivenon·ge·net·i·cal·ly, adverb


  1. a suffix of adjectives corresponding to nouns ending in -genesis: parthenogenetic. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for genetic



  1. of or relating to genetics, genes, or the origin of something
Derived Formsgenetically, adverb

Word Origin for genetic

C19: from genesis
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

Word Origin and History for genetic

"pertaining to origins," coined 1831 by Carlyle from Greek genetikos "genitive," from genesis "origin" (see genus). Biological sense first recorded in Darwin, 1859. Related: Genetically. Genetical is attested from 1650s.

Online Etymology Dictionary, © 2010 Douglas Harper

genetic in Medicine


  1. Of or relating to genetics or genes.
  2. Affecting or affected by genes, as a disorder or deficiency.
  3. Of, relating to, or influenced by the origin or development of something; ontogenic.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.