) | 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). |
| hydroponics (hī'drə-pŏn'ĭks) Pronunciation Key
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. |