hydroponics

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hy·dro·pon·ics / ˌhīdrəˈpäniks/ • pl. n. [treated as sing.] the process of growing plants in sand, gravel, or liquid, with added nutrients but without soil.DERIVATIVES: hy·dro·pon·ic adj.hy·dro·pon·i·cal·ly / -ˈpänik(ə)lē/ adv.

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