aero·​pon·​ics | \¦er-ō-¦pä-niks \

Definition of aeroponics 

: the growing of plants by suspending their roots in the air and spraying them with nutrient solutions Hydroponics allows us to grow plants in a water-and-nutrient solution, while aeroponics grows them in a nutrient-laden mist.— Dickson D. Despommier, New York Times, 24 Apr. 2009

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Other Words from aeroponics

aeroponic \¦er-​ō-​¦pä-​nik \ adjective
Tomatoes take especially well to aeroponic growing. — Johnathan L. Wright, Reno Gazette-Journal, 20 Aug. 2008 aeroponic technology
aeroponically \¦er-​ō-​¦pä-​ni-​k(ə-​)lē \ adverb
Fog can actually carry dissolved nutrients for growing plants aeroponically, suspended in the air, with their clean roots dangling in the fog. — Marshall Ingwerson, Christian Science Monitor, 1 Mar. 1985

First Known Use of aeroponics

1957, in the meaning defined above

History and Etymology for aeroponics

aero- + (hydro)ponics

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The first known use of aeroponics was in 1957

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