Hydroponics

//ˌhaɪdɹə(ʊ)ˈpɒnɪks// noun

Definitions

Noun
  1. 1
    The cultivation of plants in a nutrient solution rather than in the soil. uncountable

    "Despite relying on water alone to grow plants, hydroponics systems require 90 percent less water than crops grown in soil, due to water recycling and the self-contained nature of the system. Because of the closed nature of the system, it is […]"

  2. 2
    a technique of growing plants (without soil) in water containing dissolved nutrients wordnet

Etymology

From hydro- (“water”) + Ancient Greek πόνος (pónos, “work, labour”) + -ics.

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