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n. pl. coc·ci (kŏk′sī, kŏk′ī)
A bacterium having a spherical or spheroidal shape.

[New Latin, from Greek kokkos, grain, seed.]

coc′cal (kŏk′əl) adj.


n, pl -ci (-saɪ)
1. (Microbiology) any spherical or nearly spherical bacterium, such as a staphylococcus. Compare bacillus1, spirillum1
2. (Botany) the part of a fruit that contains one seed and separates from the whole fruit at maturity
3. (Animals) any of the scale insects of the genus Coccus
[C18: from New Latin, from Greek kokkos berry, grain]
ˈcoccoid, coˈcoidal, ˈcoccal, coccic adj
ˈcoccous adj


(ˈkɒk əs)

n., pl. -ci (-sī, -sē).
a spherical bacterium.
[1755–65; < New Latin < Greek kókkos grain, seed, berry]
coc′cal, coc′cic (-sɪk) adj.
coc′cous, adj.


a combining form representing coccus in the names of bacteria: streptococcus.


Plural cocci (kŏk′sī, kŏk′ī)
Any of various bacteria that are shaped like a sphere and are usually linked together to form chains.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.coccus - any spherical or nearly spherical bacteriacoccus - any spherical or nearly spherical bacteria
eubacteria, eubacterium, true bacteria - a large group of bacteria having rigid cell walls; motile types have flagella
staph, staphylococci, staphylococcus - spherical Gram-positive parasitic bacteria that tend to form irregular colonies; some cause boils or septicemia or infections


n. L. coco, bacteria de forma esférica.


n (pl -ci) coco
References in periodicals archive ?
Figure-2) Gram stained revealed few pus cells and gram-positive cocci in pair, but no growth was found in culture.
According to MATTHEWS (2009), gentamicin is effective against gram-positive (cocci) and gram-negative (cocci and bacilli) bacteria, while chloramphenicol is active only against gram-positive cocci.
Among the 68 culture positive, cases 33 (48%) were Gram-positive cocci and 35 (52%) were Gram-negative bacilli.
All specimens demonstrated a therapeutic concentration (>1 [micro]g/g) of cefazolin for gram-positive cocci, but 20% of the obese women and 33% of the extremely obese women did not achieve the MIC (>4 [micro]g/g) for gram-negative bacilli (P = .
Staphylococcus aureus as Gram-positive cocci were identified by the test of catalase positivity, coagulase and mannitol positivity.
They are gram-positive cocci shaped bacteria and is a major cause of tooth decay.
Gram staining revealed gram-positive cocci and culture grew group D streptococci in samples taken from ear, trachea and nasopharynx.
2) A wider array of pathogens has been reported in patients with atypical infections, including gram-positive cocci, Salmonella spp, enterococci, Actinomyces spp, and Aspergillus spp, as well as Pseudomonas organisms.
Many Gram-positive cocci were present, diagnostic of a bacterial skin infection.
Gram stains will show GBS as gram-positive cocci in pairs and chains.
Finally, Gram stain and final culture results were recorded as one or more morphologic types that included gram-positive cocci, gram-positive bacilli, gram-negative cocci, gram-negative bacilli, and fungi.
coli, Klebsiella and Enterobacter while Gram-positive cocci were only S.

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