noun Etymology: French, from New Latin fluor Date: 1813 a nonmetallic halogen element that is isolated as a pale yellowish flammable irritating toxic diatomic gas
FLUORINE
Meaning of FLUORINE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012