[ in-truh-gresh-uhn ]
See synonyms for introgression on
  1. the introduction of genes from one species into the gene pool of another species, occurring when matings between the two produce fertile hybrids.

Origin of introgression

First recorded in 1930–35 (earlier in literal sense of Latin ); from Latin intrōgress(us) past participle of intrōgredī “to go in, enter” (intrō- “within, inward” + -gred-, combining form of grad(ī) “to proceed, walk” + -tus past participle suffix, with -dt- becoming -ss- ); see -ion,intro-
  • Also called in·tro·gres·sive hybridiza·tion [in-truh-gres-iv]. /ˌɪn trəˈgrɛs ɪv/.

Words Nearby introgression Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use introgression in a sentence

British Dictionary definitions for introgression


/ (ˌɪntrəˈɡrɛʃən) /

  1. the introduction of genes from the gene pool of one species into that of another during hybridization

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