Definition of jettisonable in English:

jettisonable

adjective

  • Capable of being jettisoned from an aircraft, spacecraft, etc.

Origin

1930s; earliest use found in Shell Aviation News. From jettison + -able.

Pronunciation

jettisonable

/ˈdʒɛtɪsənəbl/ /ˈdʒɛtɪz(ə)nəbl/