hydro-electric

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CIDE DICTIONARY

hydro-electric, 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. [1913 Webster]

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.