D defs.my
Entry 1 sense Webster, 1913

Apneumatic

/ăpnyo͞omăʹtĭk/ · Ap·neu·mat·ic · IPA /æpnjuːˈmætɪk/
01 a. Devoid of air; free from air; as, an apneumatic lung; also, effected by or with exclusion of air; as, an apneumatic operation.
  1. 1.
    Devoid of air; free from air; as, an apneumatic lung; also, effected by or with exclusion of air; as, an apneumatic operation.(Med.)