noun, plural dip·lo·coc·ci [dip-luh-kok-sahy, -see] /ˌdɪp ləˈkɒk saɪ, -si/, Bacteriology.
any of several spherical bacteria occurring in pairs, as Diplococcus pneumoniae.
Origin of diplococcus
Related formsdip·lo·coc·cal, dip·lo·coc·cic [dip-luh-kok-sik] /ˌdɪp ləˈkɒk sɪk/, adjective
From New Latin,
dating back to 1886;
see origin at diplo-
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for diplococcus
Historical Examples of diplococcus
If growth of Diplococcus pneumoniæ occurs, again heat culture in water-bath at 60° C. for one hour and again test for sterility.
For instance, not a few healthy noses and throats contain the bacillus of diphtheria and the diplococcus of pneumonia.
The presence of such a diplococcus in meningeal exudates is, however, sufficient for its identification.
The diplococcus merely produces acidification and coagulation of the milk.
The joint lesions which accompany acute rheumatism or “rheumatic fever” are believed to be due to a diplococcus.
British Dictionary definitions for diplococcus
noun plural -cocci (-ˈkɒksaɪ)
Derived Formsdiplococcal or diplococcic (ˌdɪpləʊˈkɒksɪk, -ˈkɒkɪk), adjective
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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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n. pl. dip•lo•coc•ci (-kŏk′sī′, -kŏk′ī′)
Related formsdip′lo•coc′cal (-kŏk′əl) null adj.
Any of various paired spherical bacteria, including those of the genus Diplococcus, some of which are pathogenic.
A genus of gram-positive anaerobic encapsulated fermenting bacteria having a somewhat elongated spherical shape.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.