Meanings
nounnatural killer (plural natural killers, abbreviation NK)
plural natural killers · abbreviation NK
- immunologyA natural killer cell
Cite this entry
APA
natural killer. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/natural%20killer
MLA
“natural killer.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/natural%20killer. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “natural killer,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/natural%20killer.
Source: natural killer on Wiktionary, CC BY-SA 4.0.