淀粉质 diànfěnzhì starchy substance Origin Definitions Defs Strokes Stroke Words Sentences Sents 淀粉 澱粉 diànfěn noun starch starch; amylum; a complex carbohydrate found in the roots, stems, and seeds of many plants and used as a major source of energy in food质 質 zhì nounaffix substance (bound form) physical matter; substance; the material essence of an object