[ broh-muh-luh n, -leyn ]
/ ˈbroʊ mə lən, -ˌleɪn /

noun Biochemistry.

an enzyme, found in pineapple, that breaks down protein and is used as a meat tenderizer.
Compare papain.

Origin of bromelain

1890–95; apparently bromel(in) an earlier name for the enzyme (Bromel(ia) a genus that formerly included the pineapple (see bromeliad) + -in2) + (pap)ain Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for bromelain

[ brōmə-lān′ ]


A peptide hydrolase obtained from pineapple used in treating inflammation and edema of soft tissues associated with traumatic injury.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.