Hy`dro-e*lec"tric (?), a. [Hydro-
, 1 + electric.] Pertaining to, employed in, or
produced by, the evolution of electricity by means of a battery in
which water or steam is used.
Hydro-electric machine (Physics), an
apparatus invented by Sir William Armstrong of England for generating
electricity by the escape of high-pressure steam from a series of
jets connected with a strong boiler, in which the steam is
produced.