磷灰粉 Traditional form: 磷灰粉 Pinyin (reading): línhuīfěn Definitions: apatite (phosphatic lime) Characters: 磷 - phosphorus 灰 - ashes; dust; lime, mortar 粉 - powder, flour, cosmetic powder; plaster Traditional characters: 磷 - phosphorus 灰 - ashes; dust; lime, mortar 粉 - powder, flour, cosmetic powder; plaster