Definition of oleo-pneumatic in English:

oleo-pneumatic

Pronunciation /ˌəʊlɪəʊnjuːˈmatɪk/ /ˌəʊlɪəʊnjʊˈmatɪk/

adjective

Aeronautics
  • Designating a device or mechanism which absorbs shocks by a combination of forcing oil through an orifice and compressing air or another gas.

Origin

Early 20th century; earliest use found in Aeronautical Journal. From oleo- + pneumatic.