Main Entry: tryp·sin

Pronunciation: \ˈtrip-sən\

Function: noun

Etymology: perhaps from Greek tryein to wear down + English pepsin; akin to Latin terere to rub — more at throw

Date: 1876

: a proteolytic enzyme that is secreted in the pancreatic juice in the form of trypsinogen, is activated in the duodenum, and is most active in a slightly alkaline medium