Longman Dictionary of Contemporary English homepage

Date: 1800-1900
Language: Modern Latin
Origin: Greek streptos 'twisted' + Modern Latin coccus 'bacterium' (from Greek kokkos 'berry')

streptococcus

 noun
     
strep‧to‧coc‧cus plural streptococci [countable]
a bacteria that causes infections, especially in the throat
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.
 
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