[ 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.

Nearby words

  1. bromatium,
  2. bromberg,
  3. brome,
  4. brome grass,
  5. bromegrass,
  6. bromeliad,
  7. bromelin,
  8. bromeosin,
  9. bromfield,
  10. bromhidrosis

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. 2019

Medicine 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.