Definition of coccus in English:

coccus

Syllabification: coc·cus
Pronunciation: /ˈkäkəs
 
/

noun (plural cocci /ˈkäkˌ(s)ī, ˈkäkˌ(s)ē/)

Biology
Any spherical or roughly spherical bacterium.
More example sentences
  • Major and limb-threatening infections may involve aerobic gram positive cocci, gram negative bacilli, anaerobes, and enterococci.
  • Pathologic examination of the specimen revealed an organizing abscess with numerous bacterial cocci.
  • The elongation phase of growth distinguishes bacilli from cocci, which grow and divide by pure septation.

Origin

mid 18th century (denoting a scale insect): modern Latin, from Greek kokkos 'berry'. Compare with cochineal.

Derivatives

coccal

Pronunciation: /ˈkäkəl/
adjective
More example sentences
  • Scanning electron microscopy revealed coccal microorganisms surrounded by mucopolysaccharides consistent with a biofiolm.
  • This suggests that the coccal bacteria are capable of secreting both cellulase for dissolving the cellulose of the margo-fibrils and pectinase for dissolving the pectin-rich tori.

coccoid

Pronunciation: /ˈkäkˌoid/
adjective
More example sentences
  • The waters contain an abundant, but low diversity, microbial population of thermophilic filamentous and coccoid bacteria.
  • Examination of the sinters by scanning electron microscopy confirms that they are laminated and contain an abundant, low-diversity assemblage of filamentous, bacilliform, and coccoid microbes.

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