singular of bacteria.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use bacterium in a sentence
At first, scientists suspected a virus or bacterium might be making sea stars sick.Choked by bacteria, some starfish are turning to goo | Erin Garcia de Jesus | February 8, 2021 | Science News For Students
Scientists suspected that a virus or bacterium might be making sea stars sick.Some bacteria are suffocating sea stars, turning the animals to goo | Erin Garcia de Jesus | January 20, 2021 | Science News
Among those samples, DNA from Yersinia pestis, the bacterium that causes plague, was found in two ancient Siberians, the researchers report January 6 in Science Advances.Plague may have caused die-offs of ancient Siberians | Bruce Bower | January 6, 2021 | Science News
The mechanism the Hsal uses to protect itself from radiation is similar to Deinococcus radiodurans, a bacterium known for its radiation resistance.Preserving a Sense of Wonder in DNA - Issue 92: Frontiers | Virat Markandeya | October 28, 2020 | Nautilus
Perhaps the best-known example occurs when the bacterium Clostridium difficile invades the gut, causing painful and sometimes deadly colitis.A Physicist’s Approach to Biology Brings Ecological Insights | Gabriel Popkin | October 13, 2020 | Quanta Magazine
No, not Ebola, but rather infection with the dreaded bacterium, Yersinia pestis.
Caused by the bacterium Borrelia burgdorferi, the illness is transmitted by the bite of an infected tick.Predator Doctors Take Advantage of Patients With ‘Chronic Lyme’ Scam | Russell Saunders | September 19, 2014 | THE DAILY BEAST
One type of bacterium is likely very different from its neighbors, and may have equally different effects on the body.
Not only did the insertion work, the extra base pair was kept by offspring of the original bacterium.
Pertussis, or “whooping cough,” is caused by the bacterium Bordetella pertussis.Thanks to Anti-Vaxxers, Mumps Are Back. What’s Next? | Russell Saunders | March 20, 2014 | THE DAILY BEAST
It is a plantigrade circumflex vertebrate bacterium that hasnt any wings and is uncertain.A Horse's Tale | Mark Twain
Plantigrade circumflex vertebrate bacterium that hasnt any wings and is uncertain.A Horse's Tale | Mark Twain
When we have succeeded in isolating a certain kind of bacterium in a given dish, we are said to have a pure culture.A Civic Biology | George William Hunter
But probably each colony arose from a single bacterium which got into the dish when it was exposed to the air.A Civic Biology | George William Hunter
At the same time Prof. Bayley Balfour had examined it and concluded that it was a mixture of a yeast and a bacterium.
British Dictionary definitions for bacterium
the singular of bacteria
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 bacterium
Any of a large group of one-celled organisms that lack a cell nucleus, reproduce by fission or by forming spores, and in some cases cause disease. They are the most abundant lifeforms on Earth, and are found in all living things and in all of the Earth's environments. Bacteria usually live off other organisms. Bacteria make up most of the kingdom of prokaryotes (Monera or Prokaryota), with one group (the archaea) sometimes classified as a separate kingdom. See also archaeon prokaryote.
- bacterial adjective
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.