- any of several spherical bacteria occurring in pairs, as Diplococcus pneumoniae.
Origin of diplococcus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for diplococcus
If growth of Diplococcus pneumoniæ occurs, again heat culture in water-bath at 60° C. for one hour and again test for sterility.The Elements of Bacteriological Technique
John William Henry Eyre
For instance, not a few healthy noses and throats contain the bacillus of diphtheria and the diplococcus of pneumonia.Preventable Diseases
The presence of such a diplococcus in meningeal exudates is, however, sufficient for its identification.A Manual of Clinical Diagnosis
James Campbell Todd
The diplococcus merely produces acidification and coagulation of the milk.The Bacillus of Long Life
The joint lesions which accompany acute rheumatism or “rheumatic fever” are believed to be due to a diplococcus.Manual of Surgery
Alexis Thomson and Alexander Miles
- 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
- 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.