Papin's digester
/ˌpapɪnz dʌɪˈdʒɛstə/ /ˌpapɪnz dɪˈdʒɛstə/Now historical
noun
A strong, sealable container in which bones or other matter can be broken down or dissolved by heating in water or other fluid at a temperature and pressure above those of the normal boiling point.
Origin
Early 18th century; earliest use found in James Keill (1673–1719), physician and anatomist. From the genitive of the name of Denis Papin, French-born British physicist and inventor + digester.