Word Study
hydro
CIDE DICTIONARY
hydro, n.
- A hydro-aëroplane. [Webster 1913 Suppl.]
- hydroelectric power; -- also used attributively. [PJC]
OXFORD DICTIONARY
hydro, n. (pl. -os) colloq.
1 a hotel or clinic etc. orig. providing hydropathic treatment.
2 a hydroelectric power plant.
1 a hotel or clinic etc. orig. providing hydropathic treatment.
2 a hydroelectric power plant.
Etymology
abbr.
For further exploring for "hydro" in Webster Dictionary Online