合ごう成せい化か学がく工こう業ぎょうMeaningsNoun1. synthetic chemical industryKanji used合come together成become化transformation学study工construction業businessComposed of合ごう成せいcomposition; synthesis; compounding; combining; composite photo; (function) compositionNoun化か学がくchemistryNoun工こう業ぎょう(manufacturing) industryNoun