Definition of papain
: a protease in the juice of unripe papaya that is used especially as a tenderizer for meat and in medicine (as in the topical debridement of necrotic tissue)
Recent Examples of papain from the Web
And the smaller events, in many cases, produced genes associated with being carnivorous — like the ones that make papain, an enzyme in meat tenderizer.
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Origin and Etymology of papain
International Scientific Vocabulary, from papaya
First Known Use: 1880See Words from the same year
Medical Definition of papain
: a crystallizable protease in the juice of the green fruit of the papaya obtained usually as a brownish powder and used chiefly as a tenderizer for meat and in medicine as a digestant and as a topical agent in the debridement of necrotic tissue
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