Definitions of diplococcus
  1. noun
    Gram-positive bacteria usually occurring in pairs
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    Diplococcus pneumoniae, pneumococcus
    bacterium causing pneumonia in mice and humans
    type of:
    bacteria, bacterium
    (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants
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