pepsin

Definition of Pepsin in English :

1. pepsin

an enzyme produced in the stomach that splits proteins into peptones

WordNet Lexical Database for English. Princeton University. 2010.

Pepsin

noun

a proteolytic enzyme produced in the stomach in the inactive form pepsinogen, which, when activated by acid, splits proteins into peptones

noun

1.

a digestive enzyme in the gastric juice of stomach secretions that catalyzes the splitting of proteins into smaller, more absorptive peptides

2.

an extract of pepsin from the stomachs of calves, pigs, etc., formerly used as a digestive aid

n.

1. A digestive enzyme found in gastric juice that catalyzes the breakdown of protein to peptides.

2. A substance containing pepsin, obtained from the stomachs of hogs and calves and used as a digestive aid.