无土栽培 wútǔzāipéi hydroponics Definitions Defs Origin Strokes Stroke Words Sentences Sents 无 無 wú adjectiveverb to not have to not have; there is no; lack; (as prefix) non-; un-; -less土 tǔ noun soil soil; earth; dirt; clay栽培 zāipéi verb to cultivate to plant and grow; to cultivate plants