Breadcrumb Home > Dictionary > Index H hydroponics: Meaning and Definition of Find definitions for: hy•dro•pon•ics Pronunciation: (hī"dru-pon'iks), [key] — n. (used with a sing. v.) the cultivation of plants by placing the roots in liquid nutrient solutions rather than in soil; soilless growth of plants. Cf. aeroculture, geoponics (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hydroponics (Thesaurus) hydropneumatization hydropower TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: variegate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language