Bible Dictionaries
Protagon

Webster's Dictionary

(n.) A nitrogenous phosphorized principle found in brain tissue. By decomposition it yields neurine, fatty acids, and other bodies.

Bibliography Information
Webster, Noah. Entry for 'Protagon'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/protagon.html. 1828.