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[mahy-kroh-bahy-ol-uh-jee] /ˌmaɪ kroʊ baɪˈɒl ə dʒi/
the branch of biology dealing with the structure, function, uses, and modes of existence of microscopic organisms.
Origin of microbiology
First recorded in 1885-90; micro- + biology
Related forms
[mahy-kroh-bahy-uh-loj-i-kuh l] /ˌmaɪ kroʊˌbaɪ əˈlɒdʒ ɪ kəl/ (Show IPA),
microbiologic, adjective
microbiologically, adverb
microbiologist, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for microbiology
Contemporary Examples
Historical Examples
  • In fact, I am assured that nothing exists which gives anything like so full a study of microbiology.

British Dictionary definitions for microbiology


the branch of biology involving the study of microorganisms
Derived Forms
microbiological (ˌmaɪkrəʊˌbaɪəˈlɒdʒɪkəl), 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
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Word Origin and History for microbiology

1880, coined in English from micro- + biology. Related: Microbiological.

Online Etymology Dictionary, © 2010 Douglas Harper
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microbiology in Medicine

microbiology mi·cro·bi·ol·o·gy (mī'krō-bī-ŏl'ə-jē)
The branch of biology that deals with microorganisms and their effects on other living organisms.

mi'cro·bi'o·log'ic (-ə-lŏg'ĭk) adj.
mi'cro·bi·ol'o·gist n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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microbiology in Science
The scientific study of microorganisms.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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