n.
Pronunciation: ' trip-s ə n
Function: noun
Etymology: perhaps from Greek tryein to wear down + English pe psin; 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