Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
The chemical element (symbol F) with an atomic number of 9. It is the lightest of the halogens, a pale yellow-green, highly reactive gas that attacks all metals.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: halogen
noun
An atom of this element.
Definition source: English Wiktionary via Wiktextract
Usage: countable
Topics: chemistry, natural-sciences, physical-sciences
Synonyms: none provided
Antonyms: none provided
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
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: F, atomic number 9
Antonyms: none provided
Broader terms: chemical element, element, gas, halogen
History
From Latin fluor (“flow”) + -ine. Coined by British chemist Humphry Davy in 1813.
Across languages
108 source translations are retained for this English entry.
