羥基磷灰石 Save Sign in to save words Simplified: 羟基磷灰石 qiǎngjīlínhuīshí ㄑㄧㄤˇ ㄐㄧ ㄌㄧㄣˊ ㄏㄨㄟ ㄕˊ hydroxyapatite (calcium phosphate mineral forming bone and tooth enamel) Character by character 羥(qiǎng)hydroxyl 基(jī)base 磷(lín)phosphorus 灰(huī)ash 石(shí)surname Shi A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0