'Protamin' definitions:
Definition of 'Protamin'
From: GCIDE
- Protamin \Pro"ta*min\, n. [Gr. prw^tos first.] (Physiol. Chem.) An amorphous nitrogenous substance found in the spermatic fluid of salmon. It is soluble in water, which an alkaline reaction, and unites with acids and metallic bases. [1913 Webster]