backcross

1 of 2

verb

back·​cross ˈbak-ˌkrȯs 

backcrossed; backcrossing; backcrosses

transitive verb

: to cross (a first-generation hybrid) with one of the parental types

backcross

2 of 2

noun

: a mating that involves backcrossing

also : an individual produced by backcrossing

Word History

First Known Use

Verb

1898, in the meaning defined above

Noun

1900, in the meaning defined above

Medical Definition

backcross

1 of 2 transitive verb

back·​cross ˈbak-ˌkrȯs 

: to cross (a first-generation hybrid) with one of the parental types

backcross

2 of 2 noun

: a mating that involves backcrossing

also : an individual produced by backcrossing