microbiology

noun

The branch of biology that deals with microorganisms.

noun

The science of micro-organisms; the study of microbes.

noun

The branch of biology studying minute organisms, or microbes, such as the bacteria, fungi, viruses, and protozoa.

noun

The branch of biology that deals with microorganisms, especially their effects on man and other living organisms.

noun

the branch of biology that studies microorganisms and their effects on humans