8 letters · 11 points in Scrabble
noun a nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite
originFrom Latin fluor (“flow”) + -ine. Coined by British chemist Humphry Davy in 1813.
Etymology from Wiktionary, CC BY-SA 3.0