Definition of alexin in English:

alexin

noun

Immunology
historical
  • A serum protein with bactericidal properties; specifically = "complement".

Origin

Late 19th century; earliest use found in The British Medical Journal. From German Alexin from ancient Greek ἀλέξειν to ward off (from the same Indo-European base as Sanskrit rakṣ- to protect) + German -in.

Pronunciation

alexin

/əˈlɛksɪn/