Standard Lemma guide

pyo-

prefix · 1 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

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  • /ˈpaɪ.ə-/ stress on first syllable; e.g., pyocyst
  • /ˈpaɪ.oʊ-/ stress on first syllable; e.g., pyocyst
  • /paɪˈɒ-/ stress on second syllable; e.g., pyoptysis
  • /ˌpaɪ.ə-/ stress on later syllable; e.g., pyogenic
  • /ˌpaɪ.oʊ-/ stress on later syllable; e.g., pyogenic

1

prefix

Meaning 1

pus

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From New Latin, from Ancient Greek πύον (púon, “pus”), from Proto-Indo-European *puH-; compare Sanskrit पूयति (pūyati, “stinks, rots”), Ancient Greek πύθω (púthō, “to rot”), Gothic 𐍆𐌿𐌻𐍃 (fuls, “foul”), Old English ful (“foul”).