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Definition of hydroponics noun from the Oxford Advanced Learner's Dictionary

hydroponics

noun
 
/ˌhaɪdrəˈpɒnɪks/
 
/ˌhaɪdrəˈpɑːnɪks/
[uncountable]
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  1. the process of growing plants in water or sand, rather than in soil compare aeroponics
    Word Origin1930s: from hydro- ‘of water’ + Greek ponos ‘labour’ + -ics.
See hydroponics in the Oxford Advanced American Dictionary
Check pronunciation: hydroponics

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verb
 
 
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