Meanings
nounphylaxis (uncountable)
- uncountablemedicineProtection against infectious disease.
Origin
- Ancient Greekφύλαξις“watching, guarding”
- Englishphylaxis
From Ancient Greek φύλαξις (phúlaxis, “watching, guarding”).
More words from Ancient Greek
Full word history & related roots →Cite this entry
APA
phylaxis. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/phylaxis
MLA
“phylaxis.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/phylaxis. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “phylaxis,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/phylaxis.
Source: phylaxis on Wiktionary, CC BY-SA 4.0.