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Related to diplococcus: Neisseria gonorrhoeae, staphylococcus


n. pl. dip·lo·coc·ci (-kŏk′sī′, -kŏk′ī′)
Any of various paired spherical bacteria, including those of the genus Diplococcus, some of which are pathogenic.

dip′lo·coc′cal (-kŏk′əl), dip′lo·coc′cic (-kŏk′sĭk, -kŏk′ĭk) adj.


n, pl -cocci (-ˈkɒksaɪ)
(Microbiology) any of various spherical Gram-positive bacteria that occur in pairs, esp any of the genus Diplococcus, such as D. pneumoniae, which causes pneumonia: family Lactobacillaceae
ˌdiploˈcoccal, diplococcic adj


(ˌdɪp ləˈkɒk əs)

n., pl. -coc•ci (-ˈkɒk saɪ, -si)
any of several spherical bacteria occurring in pairs, as Diplococcus pneumoniae.
[1880–85; < New Latin]
dip`lo•coc′cal, dip`lo•coc′cic (-ˈkɒk sɪk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.diplococcus - Gram-positive bacteria usually occurring in pairs
bacteria, bacterium - (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants
genus Diplococcus - a genus of bacteria
Diplococcus pneumoniae, pneumococcus - bacterium causing pneumonia in mice and humans


n (pl -ci) diplococo
References in periodicals archive ?
In 1884, Italian pathologists Ettore Marchiafava and Angelo Celli described intracellular micrococci in cerebrospinal fluid, and in 1887, Anton Wiechselbaum identified the meningococcus (designated as Diplococcus intracellularis meningitidis) in cerebrospinal fluid and established the connection between the organism and epidemic meningitis.
S pneumoniae is a gram-positive diplococcus frequently implicated in sinusitis, acute otitis media, and community-acquired pneumonia among outpatients and in meningitis among hospitalized patients.
The Chicago Pathological Society held its regular monthly meeting on October 12, 1925, on the topics of diplococcus in measles, compression myelitis secondary to Echinococcus disease of vertebrae and kidney, and further observations on the ring precipitation test for syphilis.
meningitidis), an encapsulated gram-negative diplococcus that is a pathogen exclusive to humans.
catarrhalis is a Gram-negative, aerobic diplococcus, which has undergone several changes in nomenclature and periodic changes in its perceived status as either a commensal or a pathogen [2].
Desde las primeras observaciones de la actividad antimicrobiana de la penicilina se hizo evidente que muchas bacterias gram-positivas, incluyendo los generos de Staphylococcus, Streptococcus, Diplococcus, Clostridium y Corynebacterium, eran extremadamente susceptibles.
Cocci were presented by nonpathogenic cultures--classes Diplococcus (23.