Hydropneumatic

1 definition found

From The Collaborative International Dictionary of English v.0.48 [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]