Word.ws English Dictionary

phthor

phthor noun: fluorine.

Noun

phthor (uncountable)

  1. (obsolete) fluorine
    Synonyms:
    phthorine

Synonyms of phthor

  • phthorine

Forms of phthor

alternative formphthore

Origin of phthor

From Ancient Greek φθορά (phthorá, “destruction”).

Words formed from phthor

Questions about phthor

What does phthor mean?
Phthor means fluorine.
What part of speech is phthor?
Phthor is a noun.

Words near phthor in the dictionary

  1. phthisiotherapy
  2. phthisis
  3. phthitic
  4. phthongal
  5. Phthonus
  6. phthor
  7. phthoric
  8. phtisic
  9. phtisicid
  10. phtisicids
  11. PHU

Source and license

Adapted from Wiktionary: phthor (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “phthor.” Word.ws, https://word.ws/phthor. Based on Wiktionary, CC BY-SA 4.0.