Medical Dictionary
2 ENTRIES FOUND:

knockout

adj knock·out \ˈnäk-ˌat\

Definition of KNOCKOUT

:  having all or part of a gene eliminated or inactivated by genetic engineering <knockout mice predisposed to diabetes mellitus serve as animal models in the study of human diabetes>
March 28, 2015
persiflage Hear it
Frivolous bantering talk
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears