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hydrosphere
hydrostat
hydrostatic
hydrostatic skeleton
hydrostatics
hydrosulfide
hydrotaxis
hydrotherapeutics
hydrotherapy
hydrothermal
hydrothermal metamorphism
hydrothorax
hydrotropism
hydrous
hydroxide
hydroxide ion
hydroxy
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hydroponics
hy·dro·pon·ics [ hdrə pónniks ]


noun 
Definition:
 
growing plants in liquid nutrient: the cultivation of plants in a nutrient liquid with or without gravel or another supporting medium ( takes a singular verb )

[Mid-20th century. <hydro- + Greek ponos "work"]

hy·dro·pon·ic adjective
hy·dro·pon·i·cal·ly adverb
hy·dro·pon·i·cist noun
hy·drop·on·ist [ hī dróppənist, hdrə pónnist ] noun
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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