Definition of outcrossing
: the interbreeding of individuals or stocks that are relatively unrelated (as to improve expression of a desired genetic trait) : outbreeding
Keep scrolling for more
Keep scrolling for more
Test Your Vocabulary
Who Knew?
-
- What is a ruelle?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Spell words. Make bears.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share outcrossing
Time Traveler for outcrossing
The first known use of outcrossing was in 1890
See more words from the same year