• synonyms


  1. a branch of microbiology dealing with the identification, study, and cultivation of bacteria and with their applications in medicine, agriculture, industry, and biotechnology.
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Origin of bacteriology

First recorded in 1880–85; bacterio- + -logy
Related formsbac·te·ri·o·log·i·cal [bak-teer-ee-uh-loj-i-kuh l] /bækˌtɪər i əˈlɒdʒ ɪ kəl/, bac·te·ri·o·log·ic, adjectivebac·te·ri·o·log·i·cal·ly, adverbbac·te·ri·ol·o·gist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for bacteriologist

Historical Examples

  • The bacteriologist's existence became a ceaseless round of toil.

    Astounding Stories of Super-Science, November, 1930


  • What limits to the frightfulness yet to be discovered by chemist and bacteriologist?

    The Ethics of Coperation

    James Hayden Tufts

  • Happily the learned and gentle doctor is a bacteriologist superb.

    The Green Rust

    Edgar Wallace

  • This is the experience of almost every bacteriologist who has had to do with diphtheria.

  • Bacteriologist, perform your share in elucidating this difficulty.

British Dictionary definitions for bacteriologist


  1. the branch of science concerned with the study of bacteria
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Derived Formsbacteriological (bækˌtɪərɪəˈlɒdʒɪkəl), adjectivebacteriologically, adverbbacteriologist, 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

Word Origin and History for bacteriologist



1884, from German; see bacteria + -ology. Related: Bacteriological (1886). Bacteriological warfare is from 1924.

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Online Etymology Dictionary, © 2010 Douglas Harper

bacteriologist in Medicine


  1. The study of bacteria, especially in relation to medicine and agriculture.
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Related formsbac•te′ri•o•logic (-ə-lŏjĭk) adj.bac•te′ri•olo•gist n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

bacteriologist in Science


  1. The scientific study of bacteria, especially bacteria that cause disease.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.