牙结石 Save Sign in to save words Traditional (Taiwan): 牙結石 yájiéshí ㄧㄚˊ ㄐㄧㄝˊ ㄕˊ dental calculus tartar Character by character 牙(yá)tooth 结(jié)knot 石(shí)surname Shi A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0