pyro-

UK/ˈpaɪ.ɹəʊ/US/ˈpaɪ.ɹoʊ/

prefix

Fire, heat.

OriginLatin pyr ← Ancient Greek πῦρ (pûr) ← Proto-Hellenic *pāwər →
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Meanings

prefix

alternative pyr-

  1. Fire, heat.
  2. Fever.
  3. chemistryDenoting an acid or salt with a water content intermediate between that of the ortho- and meta- compounds.

Origin

  1. Proto-Indo-European*péh₂wr̥
  2. Proto-Hellenic*pāwər
  3. Ancient Greekπῦρ (pûr)
  4. Latinpyr
  5. Englishpyro-

From Latin pyr, from Ancient Greek πῦρ (pûr, “fire”).

More words from Latin, Ancient Greek

Full word history & related roots →

Translations

Danish pyro-
  • pyro-relating to fire
Dutch pyro-
  • pyro-relating to fire
Finnish pyro-
  • pyro-relating to fire
French pyro-
  • pyro-relating to fire
German pyro-
  • pyro-relating to fire
Italian piro-
  • piro-relating to fire
Portuguese piro-
  • piro-relating to fire
Russian пиро-
  • пиро- (piro-)relating to fire
Spanish piro-
  • piro-relating to fire
Swedish pyro-
  • pyro-relating to fire
Cite this entry
APA

pyro-. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/pyro-

MLA

“pyro-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pyro-. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “pyro-,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/pyro-.

Source: pyro- on Wiktionary, CC BY-SA 4.0.