单词 | hydroponics |
释义 | hydroponics[ hahy-druh-pon-iks ] / ˌhaɪ drəˈpɒn ɪks / SEE SYNONYMS FOR hydroponics ON THESAURUS.COM 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 hydroponicsFirst recorded in 1935–40; hydro-1 + (geo)ponics OTHER WORDS FROM hydroponicshy·dro·pon·ic, adjectivehy·dro·pon·i·cal·ly, adverbhy·drop·o·nist [hahy-drop-uh-nist], /haɪˈdrɒp ə nɪst/, hy·dro·pon·i·cist, nounWords nearby hydroponicshydropneumatosis, hydropneumogony, hydropneumopericardium, hydropneumoperitoneum, hydropneumothorax, hydroponics, hydropower, hydrops, hydropyonephrosis, hydroquinone, hydrorhiza Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for hydroponicsBritish Dictionary definitions for hydroponicshydroponics / (ˌhaɪdrəʊˈpɒnɪks) / noun(functioning as singular) a method of cultivating plants by growing them in gravel, etc, through which water containing dissolved inorganic nutrient salts is pumpedAlso called: aquiculture Derived forms of hydroponicshydroponic, adjectivehydroponically, adverbWord Origin for hydroponicsC20: 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 Cultural definitions for hydroponicshydroponics [ (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 New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Scientific definitions for hydroponicshydroponics [ hī′drə-pŏn′ĭks ] 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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