noun (used with a singular verb)
the art or science of agriculture.
gardening or farming in soil.
gardening, cultivation, culture, production, breeding, agriculture, grazing, ranching, landscaping, operating, threshing, growing, harvesting, feeding, homesteading, reaping, gleaning, tillage, agronomy, hydroponics
Origin of geoponics
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(functioning as singular) the science of agriculture
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012