hydroponicsPronunciation: /ˌhʌɪdrə(ʊ)ˈpɒnɪks/Definition of hydroponics noun [treated as singular] the process of growing plants in sand, gravel, or liquid, with added nutrients but without soil. Derivatives hydroponic adjective hydroponically adverb Origin: 1930s: from hydro- 'of water' + Greek ponos 'labour' + -icshydroponics in other Oxford dictionaries Definition of hydroponics in the US English dictionary
