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diplococcus

American  
[dip-luh-kok-uhs] / ˌdɪp ləˈkɒk əs /

noun

Bacteriology.
diplococci plural
  1. any of several spherical bacteria occurring in pairs, as Diplococcus pneumoniae.


diplococcus British  
/ ˌdɪpləʊˈkɒksɪk, -ˈkɒkɪk, ˌdɪpləʊˈkɒkəs /

noun

  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

"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

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Etymology

Origin of diplococcus

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

Vocabulary lists containing diplococcus

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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Organisms also are present, such as the diplococcus intracellularis in acute cerebro-spinal meningitis; staphylococci, streptococci, and pneumococci, particularly in the intra-cranial complications of middle ear disease.

From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander

The clinical features are similar to those of acute general lepto-meningitis, and in sporadic cases the diagnosis is only completed by discovering the diplococcus intracellularis in the fluid withdrawn by lumbar puncture.

From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander

For instance, not a few healthy noses and throats contain the bacillus of diphtheria and the diplococcus of pneumonia.

From Preventable Diseases by Hutchinson, Woods

Cerebro-spinal Meningitis.—This form of meningitis, which is due to the diplococcus intracellularis, may occur sporadically, but is more frequently met with in an epidemic form.

From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander

The absence of the diplococcus intracellularis helps to differentiate the disease from cerebro-spinal meningitis, which it may closely simulate.

From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander

The deadly, rod-shaped bacilli slowly disappeared, transmuted into round-shaped bacteria called cocci and diplococci.

From Time Magazine Archive

He found, out of twenty-five experiments, 78 varieties of bacteria, of which 36 were classed as micrococci, 21 diplococci, 18 rods, 3 sarcinæ, and 1 yeast.

From Scientific American Supplement, No. 787, January 31, 1891 by Various

This is related to Yoghourt, and contains, as will be seen from the above photo, yeasts, streptococci, diplococci, and a bacillus with the morphology of Bacillus bulgaricus.

From The Bacillus of Long Life a manual of the preparation and souring of milk for dietary purposes, together with and historical account of the use of fermente by Douglas, Loudon

This is due to the action of sush bacilli, diplococci, yeasts, and moulds as are shown in this illustration.

From The Bacillus of Long Life a manual of the preparation and souring of milk for dietary purposes, together with and historical account of the use of fermente by Douglas, Loudon

This would no doubt tend to explain the phenomenon observed by Kuntze that milk is not so rapidly fermented by organisms of this group as when cultures of diplococci and yeasts are added.

From The Bacillus of Long Life a manual of the preparation and souring of milk for dietary purposes, together with and historical account of the use of fermente by Douglas, Loudon

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