noun. a technique of growing plants (without soil) in water containing dissolved nutrients.
- drip culture
Example sentences of the word hydroponics
1. Noun, plural
In hydroponics, if the water level is too low in your system, you need to add water so the plant roots can draw their nutrients.
2. Noun, singular or mass
When you take a cutting from a houseplant, place it in water to root, basically you are growing that plant in a hydroponics system.