from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. of a plant; a method of growing plants using mineral nutrient solutions in water, without soil.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. of or relating to aquiculture
From Ancient Greek ὕδωρ (hudōr, "water") + Ancient Greek πονος (ponos, "work, labour") (Wiktionary)