backcross

verb
back·​cross | \ ˈbak-ˌkrȯs How to pronounce backcross (audio) \
backcrossed; backcrossing; backcrosses

Definition of backcross

 (Entry 1 of 2)

transitive verb

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

backcross

noun

Definition of backcross (Entry 2 of 2)

: a mating that involves backcrossing also : an individual produced by backcrossing

First Known Use of backcross

Verb

1898, in the meaning defined above

Noun

1900, in the meaning defined above

Keep scrolling for more

Learn More about backcross

Time Traveler for backcross

Time Traveler

The first known use of backcross was in 1898

See more words from the same year

Statistics for backcross

Cite this Entry

“Backcross.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/backcross. Accessed 6 May. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for backcross

backcross

transitive verb
back·​cross | \ ˈbak-ˌkrȯs How to pronounce backcross (audio) \

Medical Definition of backcross

 (Entry 1 of 2)

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

backcross

noun

Medical Definition of backcross (Entry 2 of 2)

: a mating that involves backcrossing also : an individual produced by backcrossing

More from Merriam-Webster on backcross

Britannica.com: Encyclopedia article about backcross

Comments on backcross

What made you want to look up backcross? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Star Wars Words Quiz

  • cu jedi training
  • The bounty portion of bounty hunters (such as Boba Fett) comes from a Latin word meaning
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!