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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 ?
Gram stains will show GBS as gram-positive cocci in pairs and chains.
Gram stain of the pleural fluid showed a few white blood cells; many Gram-positive cocci in pairs, chains, and clusters; moderate Gram-positive rods; few Gram-negative rods; and few yeast.
Numerous studies have shown that Gram-negative bacilli ID scores are superior to Gram-positive cocci ID scores, particularly problematic streptococci (3).
2,15) The number of each of the following was quantified and recorded: gram-positive cocci, gram-positive rods, gram-negative cocci, gram-negative rods, yeast, hyphae, white blood cells, and red blood cells.
System, for the detection of Methicillin-resistant Staphylococcus aureus(MRSA) and Staphylococcus aureus(SA, typically methicillin susceptible) in blood culture bottles showing gram-positive cocci in clusters in about one hour.
Gram-positive cocci (such as Streptococcus faecalis) account for 80% of community-acquired UTIs in women.
Microscopic observation showed that the isolates obtained on M17 medium are gram-positive cocci and catalase negative.
Most DFIs are polymicrobial, with aerobic gram-positive cocci (GPC), especially staphylococci, being the most common causative organisms.
This indicates that not only monomicrobial cultures were obtained, but also the associations of pathogens, where microbial spectrum dominated by Gram-positive cocci (S.
In general, the databases available in the commercial systems are best for common aerobic gram-negative bacilli and gram-positive cocci, but may be less comprehensive for esoteric organisms (e.
Although not FDA approved for this indication, this agent is routinely used at our hospital for UTIs due to drug-resistant gram-positive cocci.

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