Search the dictionary A Chinese word or character, or English Draw a character Search 2 entries. qiǎngjīlínhuīshí 羟基磷灰石 hydroxyapatite (calcium phosphate mineral forming bone and tooth enamel) qiǎngjīlínhuīshí 羥基磷灰石 hydroxyapatite (calcium phosphate mineral forming bone and tooth enamel)