pəˈpāə̇n, -ˈpīə̇n noun
( -s )
Etymology: International Scientific Vocabulary papa- (from papaya ) + -in; originally formed in German
: a crystallizable proteinase in the juice of the green fruit of the papaya obtained usually as a brownish powder and used chiefly as a tenderizer for meat, in chillproofing beer, and in medicine as a digestant