n.
Pronunciation: ˌ h ī -dr ə - ' pä-niks
Function: noun plural but singular in construction
Etymology: hydr- + -ponics (as in geoponics agriculture)
Date: 1937
: the growing of plants in nutrient solutions with or without an inert medium (as soil) to provide mechanical support
– hy · dro · pon · ic \ -nik \ adjective
– hy · dro · pon · i · cal · ly \ -ni-k( ə -)l ē \ adverb