Simple Definition of microbiology

from our Learner's Dictionary

microbiology

noun

ˌmaɪkroʊbaɪˈɑːləʤi

: a science that studies extremely small forms of life (such as bacteria and viruses)

a degree in microbiology

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“Microbiology.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/microbiology. Accessed 22 Jun. 2026.

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