Standard Lemma guide

pyro-

prefix · 3 senses · updated from the 2026-07-25 local source snapshot

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.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • pīʹrō
  • UK: /ˈpaɪ.ɹəʊ/
  • US: /ˈpaɪ.ɹoʊ/
  • US: Recorded audio is listed in the source snapshot.

1

prefix

Meaning 1

Fire, heat.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

prefix

Meaning 2

Fever.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

prefix

Meaning 3

Denoting an acid or salt with a water content intermediate between that of the ortho- and meta- compounds.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Topics: chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *péh2wr̥ Proto-Hellenic *pāwər Ancient Greek πῦρ (pûr) Latin pyr English pyro- From Latin pyr, from Ancient Greek πῦρ (pûr, “fire”).

Across languages

Translations

9 source translations are retained for this English entry.

  • Dutch: pyro- — relating to fire
  • Finnish: pyro- — relating to fire
  • French: pyro- — relating to fire
  • German: pyro- — relating to fire
  • Italian: piro- — relating to fire
  • Portuguese: piro- — relating to fire
  • Russian: пиро- (piro-) — relating to fire
  • Spanish: piro- — relating to fire
  • Swedish: pyro- — relating to fire