齿质 chǐzhì dentin Definitions Defs Origin Strokes Stroke Words Sentences Sents 齿 齒 chǐ noun tooth (bound form) tooth; teeth; refers specifically to the organs in the mouth used for chewing, as in 牙齿 yáchǐ质 質 zhì nounaffix substance (bound form) physical matter; substance; the material essence of an object