hydrate C2+

/ˈhaɪˌdreɪt/ to supply with water; a compound containing water molecules

hydro C2+

/ˈhaɪdroʊ/ hydroelectric power, or a spa establishment using water treatments

hydrometeor C2+

/ˌhaɪdroʊˈmitiɚ/ any atmospheric water in liquid or solid form, such as rain, snow, or fog