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hydroponics

noun [U]
 
 
/ˌhaɪ.drəˈpɒn.ɪks/ US  /-droʊˈpɑː.nɪks/ specialized

Definition

the method of growing plants in water to which special chemicals are added, rather than growing them in earthGardening - general words
(Definition of hydroponics noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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