[ hahy-druh-pon-ik ]

  1. relating to hydroponics, the cultivation of plants by placing the roots in a liquid nutrient solution rather than in soil: Soil-grown seedlings were transferred to the hydroponic solution and photographed 21 days later to show growth.

Origin of hydroponic

First recorded in 1935–40; hydroponic(s), by shortening

Other words from hydroponic

  • hy·dro·pon·i·cal·ly, adverb

Words Nearby hydroponic

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use hydroponic in a sentence

  • There would be hydroponic tanks in which plants would grow to purify its air and feed its crew.

    Space Platform | Murray Leinster
  • There were novelties—hydroponic fruit, for instance—and they'd gloomily stuffed themselves.

    The Pirates of Ersatz | Murray Leinster