鏈球菌
Streptococcus \Strep`to*coc"cus\, n.; pl. {Streptococci}. [NL., fr. Gr. ? pliant, curved + ? a grain, seed.] (Biol.) A long or short chain of micrococci, more or less curved.
streptococcus n : spherical gram-positive bacteria occurring in pairs or chains; cause e.g. scarlet fever and tonsillitis [syn: {streptococci}, {strep}] [also: {streptococci} (pl)]