Definitions
Highly reactive pale yellow chemical element in the halogen group.
Word origin
From Latin fluor (“flow”) + -ine. Coined by British chemist Humphry Davy in 1813.
Used in a sentence
“an octahedron of fluorines”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Toothpaste halogen”8 letters
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