Word Study
papain
WORDNET DICTIONARY
Noun papain has 1 sense
CIDE DICTIONARY
papain, n. [From Papaw.].
A proteolytic ferment, like trypsin, present in the juice of the green fruit of the papaw (Carica Papaya ) of tropical America. [1913 Webster]
OXFORD DICTIONARY
papain, n. an enzyme obtained from unripe pawpaws, used to tenderize meat and as a food supplement to aid digestion.
Etymology
PAPAYA + -IN
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