Standard Lemma guide

streptococcus

noun · 2 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.

  • Received-Pronunciation: /ˌstɹɛptəˈkɒkəs/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • General-American: /ˌstɹɛptəˈkɑkəs/
  • rhymes with -ɒkəs
  • CMU ARPABET: S T R EH2 P T AH0 K AO1 K AH0 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

A spherical, gram-positive bacterium of the genus Streptococcus. Although commonly found benignly in the human mouth and gut, and though many species are non-pathogenic, other species can cause diseases including strep throat and more serious conditions.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: strep, strepto

Antonyms: none provided

2

noun

Meaning 2

spherical Gram-positive bacteria occurring in pairs or chains; cause e.g. scarlet fever and tonsillitis

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: streptococci, strep

Antonyms: none provided

Broader terms: eubacteria, eubacterium, true bacteria

History

Etymology

Morphologically a compound of strepto- + -coccus. They grow in chains or pairs, thus the name — from Ancient Greek στρεπτός (streptós, “twisted, pliant”), like a chain. Compare the genus name Streptococcus.

Across languages

Translations

25 source translations are retained for this English entry.

  • Catalan: estreptococ — bacterium
  • Chinese Mandarin: 鏈球菌 /链球菌 (liànqiújūn) — bacterium
  • Esperanto: streptokoko — bacterium
  • Finnish: streptokokki — bacterium
  • French: streptocoque — bacterium
  • Georgian: სტრეპტოკოკი (sṭreṗṭoḳoḳi) — bacterium
  • German: Streptokokken — bacterium
  • Greek: στρεπτόκοκκος (streptókokkos) — bacterium
  • Hungarian: streptococcus — bacterium
  • Italian: streptococco — bacterium
  • Japanese: レンサ球菌 (rensa kyūkin) — bacterium
  • Malay: streptokokus — bacterium
  • Persian: استرپتوکوک (estereptokok) — bacterium
  • Polish: paciorkowiec — bacterium
  • Polish: streptokok — bacterium
  • Portuguese: estreptococo — bacterium
  • Romanian: streptococ — bacterium
  • Russian: стрептококк (streptokokk) — bacterium
  • Spanish: streptococcus — bacterium
  • Spanish: estreptococo — bacterium
  • Swedish: streptokock — bacterium
  • Tagalog: estreptokoko — bacterium
  • Turkish: streptokok — bacterium
  • Ukrainian: стрептокок (streptokok) — bacterium
  • Vietnamese: liên cầu khuẩn — bacterium
Real reading context

streptococcus in complete knowledge articles