Artificial intelligent assistant

jettisonable

jettisonable, a.
  (ˈdʒɛtɪsənəb(ə)l)
  [f. jettison v. + -able.]
  Capable of being jettisoned from an aircraft or spacecraft; designed to be readily detachable in flight.

1934 Shell Aviation News No. 34. 18/1 As a result, the machine can be used for a variety of purposes... It is fitted with a ‘jettisonable’ fuel tank riveted with duralumin. 1946 Aeroplane Spotter 14 Dec. 290/1 The pilot and test engineer are housed in a conical nose section which is jettisonable and contains a decelerating parachute in case of emergency. 1956 Spaceflight I. 24/1 The second stage..is a new rocket; the final stage and the satellite package are enclosed within its jettisonable nose. 1961 E. Brown Wings on my Sleeve x. 113 The undercarriage consisted of a retractable skid mounted on the jettisonable two-wheel chassis which was automatically dropped when the skid was retracted on take-off. 1963 A. Smith Throw out Two Hands v. 52 The balloon commander is all,..the passenger is nothing more than jettisonable ballast.

Oxford English Dictionary

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