A bacterial cell which has the shape of a sphere. Coccus enters into the name of a number of bacteria. For example, enterococcus, meningococcus, pneumococcus, staphylococcus, and streptococcus.
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1. A bacterium of round, spheroidal, or ovoid form. 2. SYN: cochineal. [G. kokkos, berry]
- Neisser c. SYN: Neisseria gonorrhoeae.
- Weichselbaum c. SYN: Neisseria meningitidis.

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coc·cus 'käk-əs n, pl coc·ci 'käk-.(s)īalso -(.)(s
1) a spherical bacterium

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n. (pl. cocci)

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Coc·cus (kokґəs) [L., from Gr. kokkos berry] a genus of hemipterous insects of the family Coccidae, order Hemiptera. C. cacґti is a source of cochineal.

Medical dictionary. 2011.

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  • coccus — [ kɔkys ] n. m. • 1896; bot. 1752; lat. coccum « grain », du gr. ♦ Microbiol. Bactérie sphérique. Des coccus ou des cocci. ● coccus, cocci nom masculin (latin coccum, grain, du grec kokkos) Bactérie de forme arrondie ou ovalaire. ⇒COCCUS, subst.… …   Encyclopédie Universelle

  • Coccus — Coc cus, n.; pl. {Cocci}. [NL., fr. Gr. ? grain, seed. See {Cochineal}.] 1. (Bot.) One of the separable carpels of a dry fruit. [1913 Webster] 2. (Zo[ o]l.) A genus of hemipterous insects, including scale insects, and the cochineal insect… …   The Collaborative International Dictionary of English

  • Coccus — Coccus, Gattung der Halbdeckflügler od. Schnabelkerfe, s. Schildlaus. Daher Coccusroth, der rothe Farbestoff der Coccus Arten, so v. w. Karmin, s.d …   Pierer's Universal-Lexikon

  • -coccus — [käk′əs] combining form forming nouns coccus: used in names of various bacteria [gonococcus] …   English World dictionary

  • Coccus [1] — Coccus, soviel wie Micrococcus …   Meyers Großes Konversations-Lexikon

  • Coccus [2] — Coccus, Schildlaus; Coccidae, Schildläuse; Familie aus der Ordnung der Halbflügler; s. Schildläuse …   Meyers Großes Konversations-Lexikon

  • Coccus — Coccus, s. Schildläuse …   Kleines Konversations-Lexikon

  • coccus — COCCUS. Voyez Kermès …   Dictionnaire de l'Académie Française 1798

  • Coccus — vgl. Kokke …   Das Wörterbuch medizinischer Fachausdrücke

  • coccus — 1763 as an insect genus (including the COCHINEAL (Cf. cochineal) bug); 1883 as a type of bacterium, from Gk. kokkos grain, seed, berry …   Etymology dictionary

  • coccus — ► NOUN (pl. cocci) Biology ▪ any spherical or roughly spherical bacterium. DERIVATIVES coccal adjective coccoid adjective. ORIGIN originally denoting a scale insect: from Greek kokkos berry …   English terms dictionary

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