WordReference Random House Unabridged Dictionary of American English © 2025
prot•a•mine
(prō′tə mēn′, pro tam′in),USA pronunciation n. [Biochem.]
- Biochemistryany of a group of arginine-rich, strongly basic proteins that are not coagulated by heat, occurring primarily in the sperm of fish.
- prot- + amine 1870–75
'protamine' also found in these entries (note: many are not synonyms or translations):