The Collaborative International Dictionary
Chreotechnics
Chreotechnics \Chre`o*tech"nics\, n. [Gr. ? useful + ? art.] The science of the useful arts, esp. agriculture, manufactures, and commerce. [R.]
Wiktionary
chreotechnics
n. (context obsolete rare English) The science of the useful arts, especially agriculture, manufacture, and commerce.