Protamin

1 definition found

From The Collaborative International Dictionary of English v.0.48 [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]