- a microorganism, especially a pathogenic bacterium.
Origin of microbe
1880–85; < French < Greek mīkro- micro- + bíos life
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for microbial
With these microbial systems in the Pilbara, you can see these things in the field and under the microscope.‘Oldest Signs of Life on Earth’ Found in Australia
November 13, 2013
Particular scientific interest has been focused on bacterial (and other microbial) diversity in our intestines.Buy That Breast Milk!
October 22, 2013
My research forced me to look at human societies from a microbial point of view, and they looked remarkably fragile.The Coming Bioattack
June 5, 2009
Pasteur's discovery of the microbial cause of puerperal fever has in itself enormously reduced the deaths of women in child-birth.The Pros and Cons of Vivisection
- any microscopic organism, esp a disease-causing bacterium
C19: from French, from micro- + Greek bios life
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 microbial
Online Etymology Dictionary, © 2010 Douglas Harper
- A microorganism, especially a bacterium that causes disease; a minute life form. No longer in technical use.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A microorganism, especially a bacterium that causes disease. See Note at germ.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.