[ puh-pey-in, -pahy-in ]
/ pəˈpeɪ ɪn, -ˈpaɪ ɪn /
Biochemistry. a proteolytic enzyme found in the fruit of the papaya tree, Carica papaya.
Pharmacology. a commercial preparation of this used as a meat tenderizer and in medicine as a digestant.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for papain
Several writers claim good results with glycerole of papain, pricking it in in the same manner as in tattooing.Essentials of Diseases of the Skin|Henry Weightman Stelwagon
Its selling point, in the past at least, has been the alleged presence of papain.
British Dictionary definitions for papain
/ (pəˈpeɪɪn, -ˈpaɪɪn) /
a proteolytic enzyme occurring in the unripe fruit of the papaya tree, Carica papaya: used as a meat tenderizer and in medicine as an aid to protein digestion
Word Origin for papain
C19: from papaya
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medicine definitions for papain
[ pə-pā′ĭn, -pī′ĭn ]
An enzyme, or a crude extract containing it, that digests protein, catalyzes the hydrolysis or transfer of esters, amides, or other chemical groups containing sulfur, and is used as a digestive aid.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.