Search Result for "hydroponics": 
Wordnet 3.0

NOUN (1)

1. a technique of growing plants (without soil) in water containing dissolved nutrients;
[syn: hydroponics, aquiculture, tank farming]



WordNet (r) 3.0 (2006):

hydroponics
    n 1: a technique of growing plants (without soil) in water
         containing dissolved nutrients [syn: hydroponics,
         aquiculture, tank farming]