'Microbiologist' definitions:

Definition of 'microbiologist'

From: WordNet
noun
A specialist in microbiology

Definition of 'Microbiologist'

From: GCIDE
  • 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