hydro
/ˈhaɪdrəʊ/noun
(pl. -os)
1
- Brit. a hotel or clinic originally providing hydropathic treatment〈英〉（原来有水疗设备的）旅馆（或疗养所）。
2
- a hydroelectric power plant水力发电厂。
2.1
- mass noun hydroelectricity水力电。
2.2
- Canadian electricity〈加〉电。
词源
late 19th cent.: abbreviation.