MICROBIOLOGY
microbiology
(noun) the branch of biology that studies microorganisms and their effects on humans
Source: WordNet® 3.1
Etymology
Noun
microbiology (uncountable)
(biology) The branch of biology that deals with microorganisms, especially their effects on man and other living organisms.
Meronyms
• See also microbiology
Source: Wiktionary
Mi`cro*bi*ol"o*gy, n. [See Microbe; -logy.]
Definition: The study of minute organisms, or microbes, as the bacteria. --
Mi`cro*bi`o*log"ic*al (#), a. -- Mi`cro*bi*ol"o*gist (#), n.
Source: Webster’s Unabridged Dictionary 1913 Edition