Definition of streptococcus in English:
 streptococcus
nounPlural streptococci ˌstrɛptə(ʊ)ˈkɒkəsˌstrɛptəˈkɑkəs
A bacterium of a genus that includes the agents of souring of milk and dental decay, and haemolytic pathogens causing various infections such as scarlet fever and pneumonia.
Genus Streptococcus; Gram-positive cocci in pairs and chains
 Example sentencesExamples
-  Other agents occasionally implicated are pneumococci, staphylococci, streptococci, and Candida albicans.
 -  In many cases, these organisms are streptococci or staphylococci bacteria.
 -  Then a starter culture of lactic streptococci and lactobacilli bacteria is added.
 -  Impetigo is a skin infection that is generally caused by one of two bacteria: Group A streptococcus or Staphylococcus aureus.
 -  By using sugar fermentation, bacteriologists observed that haemolytic streptococci of human origin were broadly differentiated from those of bovine origin.
 
  Definition of streptococcus in US English:
 streptococcus
nounˌstrɛptəˈkɑkəsˌstreptəˈkäkəs
A bacterium of a genus that includes the agents of souring of milk and dental decay, and hemolytic pathogens causing various infections such as scarlet fever and pneumonia.
Genus Streptococcus; Gram-positive cocci in pairs and chains
 Example sentencesExamples
-  By using sugar fermentation, bacteriologists observed that haemolytic streptococci of human origin were broadly differentiated from those of bovine origin.
 -  Then a starter culture of lactic streptococci and lactobacilli bacteria is added.
 -  Impetigo is a skin infection that is generally caused by one of two bacteria: Group A streptococcus or Staphylococcus aureus.
 -  Other agents occasionally implicated are pneumococci, staphylococci, streptococci, and Candida albicans.
 -  In many cases, these organisms are streptococci or staphylococci bacteria.