Topic: ELEMENTS
| Language: | Old French |
| Origin: | Latin, from Greek, from hydor 'water' |
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hydro-

1 relating to water, or using water :
hydroelectricity (=produced by water power)
hydrotherapy (=treatment of disease using water)
hydroelectricity (=produced by water power)
hydrotherapy (=treatment of disease using water)2HCE relating to hydrogen, or containing it :
hydrocarbons
hydrocarbons