[ mahy-kroh-bahy-ol-uh-jee ]

  1. the branch of biology dealing with the structure, function, uses, and modes of existence of microscopic organisms.

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Origin of microbiology

First recorded in 1885–90; micro- + biology

Other words from microbiology

  • mi·cro·bi·o·log·i·cal [mahy-kroh-bahy-uh-loj-i-kuhl], /ˌmaɪ kroʊˌbaɪ əˈlɒdʒ ɪ kəl/, mi·cro·bi·o·log·ic, adjective
  • mi·cro·bi·o·log·i·cal·ly, adverb
  • mi·cro·bi·ol·o·gist, noun

Words Nearby microbiology

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use microbiology in a sentence

British Dictionary definitions for microbiology


/ (ˌmaɪkrəʊbaɪˈɒlədʒɪ) /

  1. the branch of biology involving the study of microorganisms

Derived forms of microbiology

  • microbiological (ˌmaɪkrəʊˌbaɪəˈlɒdʒɪkəl) or microbiologic, adjective
  • microbiologically, adverb
  • microbiologist, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for microbiology


[ mī′krō-bī-ŏlə-jē ]

  1. The scientific study of microorganisms.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.