'Hydropneumatic' definitions:
Definition of 'Hydropneumatic'
From: GCIDE
- Hydropneumatic \Hy`dro*pneu*mat"ic\, a. [Hydro-, 1 + pneumatic: cf. F. hydropneumatique.] Pertaining to, or depending upon, both liquid and gaseous substances; as, hydropneumatic apparatus for collecting gases over water or other liquids. [1913 Webster]