n. (used with a sing. verb) Cultivation of plants in nutrient solution rather than in soil. [HYDRO- + (GEO)PONICS.] hy′dro·ponic adj. hy′dro·poni·cal·ly adv. hy′dro·poni·cist (-ĭ-sĭst), hy′dro·ponist (hī′drə-pŏnĭst, hī-drŏpə-hĭst) n. |
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