introgression

in·tro·gres·sion

noun \ˌin-trə-ˈgre-shən\

Definition of INTROGRESSION

: the entry or introduction of a gene from one gene complex into another (as by hybridization)

— in·tro·gres·sant \-ˈgre-s^ənt\ adjective or noun

— in·tro·gres·sive \-ˈgre-siv\ adjective

Origin of INTROGRESSION

intro- + -gression (as in regression)

First Known Use: 1938

Rhymes with INTROGRESSION

deaccession, decompression, indiscretion, intercession, intersession, misimpression, poster session, reimpression, retrogression, self-confession, self-expression, supersession