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[hahy-druh-pon-iks] /ˌhaɪ drəˈpɒn ɪks/
noun, (used with a singular verb)
the cultivation of plants by placing the roots in liquid nutrient solutions rather than in soil; soilless growth of plants.
Compare aeroculture, geoponics (def 2).
Origin of hydroponics
1935-40; hydro-1 + (geo)ponics
Related forms
hydroponic, adjective
hydroponically, adverb
[hahy-drop-uh-nist] /haɪˈdrɒp ə nɪst/ (Show IPA),
hydroponicist, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for hydroponic
  • In practice, the nearest thing to a vertical farm so far is urban hydroponic farming, often on rooftops.
  • Today, new advances such as genetic engineering and hydroponic farming promise further boosts.
  • Source may mean hydroponic growing of marijuana or production of methamphetamines, ecstasy and other designer drugs.
  • He cultivates dope in mineral-water solutions-he's a hydroponic felon-and his weed packs a wallop.
  • The gift shops sell live hydroponic orchids in test tubes for unique souvenirs.
  • Determine the feasibility of a split root growing technique for developing a zero-nutrient discharge hydroponic growing system.
  • Provides information on commercial, home and hobby hydroponic vegetable production.
British Dictionary definitions for hydroponic


(functioning as sing) a method of cultivating plants by growing them in gravel, etc, through which water containing dissolved inorganic nutrient salts is pumped Also called aquiculture
Derived Forms
hydroponic, adjective
hydroponically, adverb
Word Origin
C20: from hydro- + (geo)ponics
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for hydroponic



1937, formed in English from hydro- + -ponics, from Greek ponein "to labor, toil," from ponos "labor" (see span (v.)). Related: Hydroponic (adj.).

Online Etymology Dictionary, © 2010 Douglas Harper
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hydroponic in Science
The cultivation of plants in a nutrient-rich solution, rather than in soil, and under controlled conditions of light, temperature, and humidity. Also called aquaculture.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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hydroponic in Culture
hydroponics [(heye-druh-pon-iks)]

Cultivating plants in an artificial environment in which the necessary nutrients are carried to the roots in a liquid mixture.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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