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English definition of “hydroponics”

hydroponics

noun [U]     /ˌhaɪ.drəˈpɒn.ɪks/ US  /-droʊˈpɑː.nɪks/ specialized
the method of growing plants in water to which special chemicals are added , rather than growing them in earth Gardening - general words
(Definition of hydroponics noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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