Meanings
nounknockout mouse (plural knockout mice)
plural knockout mice
- biologyAny of several forms of mice that have been genetically engineered by inactivating specific genes.
Origin
From the notion that specific genes have been knocked out of the genome.
Full word history & related roots →Cite this entry
APA
knockout mouse. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/knockout%20mouse
MLA
“knockout mouse.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/knockout%20mouse. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “knockout mouse,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/knockout%20mouse.
Source: knockout mouse on Wiktionary, CC BY-SA 4.0.