Meanings
nounproperdin (uncountable)
- uncountablebiochemistryA protein in human serum that complements part of the immune system
Origin
From pro- + perdere (“to destroy”); see perdition + -in.
Full word history & related roots →Cite this entry
APA
properdin. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/properdin
MLA
“properdin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/properdin. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “properdin,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/properdin.
Source: properdin on Wiktionary, CC BY-SA 4.0.