noun
- the branch of biology dealing with the structure, function, uses, and modes of existence of microscopic organisms.
noun
- the branch of biology involving the study of microorganisms
n.1882, from microbiology + -ist. n.1880, coined in English from micro- + biology. Related: Microbiological. n.
- The branch of biology that deals with microorganisms and their effects on other living organisms.
- The scientific study of microorganisms.