backcross

[ bak-kraws, -kros ]
/ ˈbækˌkrɔs, -ˌkrɒs /
Genetics.

verb (used with object)

to cross (a hybrid of the first generation) with either of its parents.

noun

an instance of such crossing.

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Origin of backcross

First recorded in 1900–05; back2 + cross
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for backcross

backcross
/ (ˈbækˌkrɒs) /

verb

to mate (a hybrid of the first generation) with one of its parents

noun

the offspring so produced
the act or process of backcrossing
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

Scientific definitions for backcross

backcross
[ băkkrôs′, -krŏs′ ]

Verb

To cross a hybrid with one of its parents or with an individual genetically identical to one of its parents. Backcrossing is used in research to isolate genetic characteristics found in one of the parents.

Noun

The act of making such a cross.
An individual resulting from such a cross.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.