Definify.com
Webster 1913 Edition
Trypsin
Tryp′sin
,Noun.
[Gr. [GREEK] a rubbing, fr. [GREEK] to rub, grind. So called because it causes protein to break up or to fall apart.]
(physiol.)
A proteolytic enzyme present in the pancreatic juice. Unlike the pepsin of the gastric juice, it acts in a neutral or alkaline fluid, and not only converts the albuminous matter of the food into soluble peptones, but also, in part, into leucin and tyrosin.