[ dip-luh-kok-uhs ]

noun,plural dip·lo·coc·ci [dip-luh-kok-sahy, -see], /ˌdɪp ləˈkɒk saɪ, -si/, Bacteriology.
  1. any of several spherical bacteria occurring in pairs, as Diplococcus pneumoniae.

Origin of diplococcus

From New Latin, dating back to 1886; see origin at diplo-, coccus

Other words from diplococcus

  • dip·lo·coc·cal, dip·lo·coc·cic [dip-luh-kok-sik], /ˌdɪp ləˈkɒk sɪk/, adjective

Words Nearby diplococcus

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use diplococcus in a sentence

  • The presence of such a diplococcus in meningeal exudates is, however, sufficient for its identification.

    A Manual of Clinical Diagnosis | James Campbell Todd
  • If growth of diplococcus pneumoniæ occurs, again heat culture in water-bath at 60° C. for one hour and again test for sterility.

  • The diplococcus merely produces acidification and coagulation of the milk.

    The Bacillus of Long Life | Loudon Douglas
  • 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
  • These are exceptional durations in the male for virulence, though not for continuance of the diplococcus.

British Dictionary definitions for diplococcus


/ (ˌdɪpləʊˈkɒkəs) /

nounplural -cocci (-ˈkɒksaɪ)
  1. 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

Derived forms of diplococcus

  • diplococcal or diplococcic (ˌdɪpləʊˈkɒksɪk, -ˈkɒkɪk), adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012