A rare plural form referring to multiple groups of diplococci, used when describing very large quantities of paired bacteria.
From 'diplo-' + 'coccus' + an additional '-cocci' (plural), creating a double plural form that emerged from medical Latin conventions for describing massive bacterial populations.
This word is so specialized that most doctors would just say 'many diplococci' instead, making it one of those technical terms that technically exists but hardly anyone actually uses!
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