Definition of retortable in English:

retortable

adjective

rare
  • That may be retorted; to which a retort may be made.

adjective

  • Manufacturing Technology. Especially of certain types of foil packaging and their contents: capable of undergoing thermal processing in a closed retort at temperatures above 100°C.

Origin

Early 17th century; earliest use found in John Florio (1553–1625), author and teacher of languages. From retort + -able, originally after Middle French, French retorquable<br>late 19th century (in an earlier sense). From retort + -able.

Pronunciation

retortable

/rɪˈtɔːtəbl/