backcross
1 of 2verb
back·cross ˈbak-ˌkrȯs 
backcrossed; backcrossing; backcrosses
transitive verb
: to cross (a first-generation hybrid) with one of the parental types
backcross
2 of 2noun
: 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 2noun
: a mating that involves backcrossing
also : an individual produced by backcrossing
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