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Hydroponics

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hy⋅dro⋅pon⋅ics

  [hahy-druh-pon-iks]
Use Hydroponics in a Sentence
–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:
1935–40; hydro- 1 + (geo)ponics

Related forms:
hy⋅dro⋅pon⋅ic, adjective
hy⋅dro⋅pon⋅i⋅cal⋅ly, adverb
hy⋅drop⋅o⋅nist  [hahy-drop-uh-nist] , hy⋅dro⋅pon⋅i⋅cist, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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hy·dro·pon·ics   (hī'drə-pŏn'ĭks)   
n.   (used with a sing. verb)
Cultivation of plants in nutrient solution rather than in soil.

[hydro- + (geo)ponics.]
hy'dro·pon'ic adj., hy'dro·pon'i·cal·ly adv., hy'dro·pon'i·cist (-ĭ-sĭst), hy'dro·pon'ist (hī'drə-pŏn'ĭst, hī-drŏp'ə-hĭst) n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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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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hydroponics 
1937, formed in Eng. from hydro-, comb. form of Gk. hydor "water" (see water (n.1)) + -ponics, from Gk. ponein "to labor, toil," from ponos "labor" (see span (v.)).
Online Etymology Dictionary, © 2001 Douglas Harper
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hydroponics   (hī'drə-pŏn'ĭks)  Pronunciation Key 
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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