Meanings
nounC-reactive protein (uncountable, abbreviation CRP)
abbreviation CRP
- uncountablehematologyA protein found in the blood, whose plasma concentrations are raised in patients with infection or inflammation.
Synonyms & antonyms
nouna byproduct of inflammation; a globulin that is found in the blood in some cases of acute inflammation
Similar
Broader
serum globulin
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
On discovery (in 1930) the substance was observed to react to the C polysaccharide of pneumococcus.
Full word history & related roots →Cite this entry
APA
C-reactive protein. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/C-reactive%20protein
MLA
“C-reactive protein.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/C-reactive%20protein. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “C-reactive protein,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/C-reactive%20protein.
Source: C-reactive protein on Wiktionary, CC BY-SA 4.0.