Simple Definition of streptococcus

from our Learner's Dictionary

streptococcus

noun

plural streptococci -ˈkɑːˌkaɪ How to pronounce streptococcus (audio)
medical : a type of bacteria that causes diseases in people and animals

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“Streptococcus.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/streptococcus. Accessed 19 Jun. 2026.

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