Microbiology \Mi`cro*bi*ol"o*gy\, n. [See {Microbe}; {-logy}.]
The branch of biology studying minute organisms, or microbes,
such as the bacteria, fungi, viruses, and protozoa. --
{Mi`cro*bi`o*log"ic*al}, a. -- {Mi`cro*bi*ol"o*gist}, n.
[Webster 1913 Suppl. +PJC] Microcephalic