noun🔗ShareFluorineA widely occurring mineral (calcium fluoride), of various colours, used as a flux in steelmaking, and in the manufacture of glass, enamels and hydrofluoric acid."Fluorite is the main natural resource of Thailand."La fluorine est la principale ressource naturelle de la Thaïlande.mineralmaterialsubstancegeologychemistryindustryscienceChat with AIVocabulary GamePractice Reading
