Pepsin Definition
pepsin
noun
A digestive enzyme in the gastric juice of stomach secretions that catalyzes the splitting of proteins into smaller, more absorptive peptides.
Webster's New World
An extract of pepsin from the stomachs of calves, pigs, etc., formerly used as a digestive aid.
Webster's New World
Other Word Forms of Pepsin
Noun
Singular:
pepsin
Plural:
pepsinsOrigin of Pepsin
-
Greek pepsis digestion (from peptein to digest pekw- in Indo-European roots) –in
From American Heritage Dictionary of the English Language, 5th Edition
Find Similar Words
Find similar words to pepsin using the buttons below.