Meanings
nounpneumococcus (plural pneumococci)
plural pneumococci
- A gram-positive bacterium, Streptococcus pneumoniae, that causes pneumonia and other infectious diseases.
Synonyms & antonyms
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Proto-Indo-European*plew-
- Proto-Indo-European*pléwmō
- Ancient Greekπλεύμων (pleúmōn)
- Ancient Greekπνέω (pnéō)influ.
- Ancient Greekπνεῦμα (pneûma)influ.
- Ancient Greekπνεύμων (pneúmōn)
- Englishpneumo-
- Ancient Greekκόκκος (kókkos)
- Latincoccum
- New Latincoccu
- Englishcoccus
- Englishpneumococcus
From pneumo- + -coccus. First attested in 1885.
Full word history & related roots →Translations
Catalan pneumococ
- pneumococStreptococcus pneumoniae
Finnish pneumokokki
- pneumokokkiStreptococcus pneumoniae
French pneumocoque
- pneumocoqueStreptococcus pneumoniae
Italian pneumococco
- pneumococcoStreptococcus pneumoniae
Persian پنوموکوک
- پنوموکوک (penomokok)Streptococcus pneumoniae
Russian пневмоко́кк
- пневмоко́кк (pnevmokókk)Streptococcus pneumoniae
Spanish neumococo
- neumococoStreptococcus pneumoniae
Swedish pneumokock
- pneumokockStreptococcus pneumoniae
Turkish pnömokok
- pnömokokStreptococcus pneumoniae
Rhymes & wordplay
Rhymes with pneumococcus
streptococcusenterococcuscryptococcusechinococcuscoccusascococcus-coccuscytococcusdiplococcusmacrococcusprotococcus
All rhymes →Cite this entry
APA
pneumococcus. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/pneumococcus
MLA
“pneumococcus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pneumococcus. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “pneumococcus,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/pneumococcus.
Source: pneumococcus on Wiktionary, CC BY-SA 4.0.