coccus
noun/ˈkɒkəs/
/ˈkɑːkəs/
(plural cocci
(medical)/ˈkɒkaɪ/
/ˈkɑːkaɪ/
)- a type of bacteria. There are several types of coccus, some of which cause serious infections and illnesses. see also streptococcusWord Originmid 18th cent. (denoting a scale insect): modern Latin, from Greek kokkos ‘berry’.
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coccus