streptococcus
From Longman Dictionary of Contemporary Englishstreptococcusstrep‧to‧coc‧cus /ˌstreptəˈkɒkəs $ -ˈkɑː-/ noun (plural streptococci /-kaɪ/) [countable] a group of bacteria that causes infections, especially in the throatOrigin streptococcus (1800-1900) Modern Latin Greek streptos “twisted” + Modern Latin coccus “bacterium” (from Greek kokkos “berry”)