bacteria
noun
bac·te·ria
| \ bak-ˈtir-ē-ə
\
\
plural bacteria
also bacterias
Definition of bacteria
: bacterium
—not usually used technically
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Examples of bacteria in a Sentence
Recent Examples on the Web
Each human has their own microflora—bacteria and other microorganisms that live on and in them. — Scientific American, "Researchers Optimistic About Breaking Stride Of The Atopic March," 26 Aug. 2019 The footage, which will be utilized for a new documentary made by Atlantic Productions, shows the effects of salt corrosion, metal-eating bacteria and deep current action on the decomposition of the ship. — Madeline Holcombe, CNN, "First Titanic dives in 14 years reveal how the ocean floor is swallowing up the shipwreck," 22 Aug. 2019 According to Carrie, the disease causes his immune system to over-respond to everything from food in his GI tract to viruses and bacteria. — Claudia Harmata, PEOPLE.com, "This 6-Year-Old Boy Has a Disease So Rare Doctors Say He Is the First to Have It," 13 Aug. 2019 Parabens Parabens are a group of preservatives and antimicrobial chemicals that prevent the growth of nasty things like bad bacteria and mold in your beauty products. — Olivia Fleming & Jenna Rosenstein, Harper's BAZAAR, "The Ultimate Guide to Clean Beauty," 12 Aug. 2019 Kombucha is made by fermenting sweet tea using a symbiotic colony of bacteria and yeast, or SCOBY, and then sometimes flavoring with fruits, herbs or juices. — Lydia Gerike, courant.com, "Kombucha comes to Connecticut: Brewers help introduce a new kind of drink to the state," 10 Aug. 2019 Analysis of the complete genomic database will also enable understanding of the emergence of pathogenic bacteria and viruses. — Eugene Koonin, Quartz, "What will we do once we’ve sequenced all the genomes?," 9 Aug. 2019 However, results from testing earlier this week indicated significantly lower levels of bacteria and the beach has returned to safe levels. — Pioneer Press, Twin Cities, "Beach at Lake McCarrons County Park in Roseville reopens," 8 Aug. 2019 Some can be downright dangerous, transmitting viruses (yellow fever, encephalitis, dengue fever, West Nile disease), bacteria (Lyme disease, typhus) or parasites (malaria, sleeping sickness). — Washington Post, "Some common garden plants might help keep bugs away," 6 Aug. 2019These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bacteria.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for bacteria
bacteria
Medical Definition of bacteria
(Entry 1 of 2)
plural of bacterium
bacteria
noun
bac·te·ria
| \ bak-ˈtir-ē-ə
\
\
Medical Definition of bacteria (Entry 2 of 2)
1
: bacterium
—not usually used technically
caused by a bacteria borne by certain tiny ticks — Wall Street Journal a single bacteria—there are roughly 200 in each cough—apparently can infect a person— Cheryl Clark
2
plural
capitalized
: a domain in the system of classification dividing all organisms into three major domains of life that includes the prokaryotes that are bacteria but not those that are archaebacteria or archaea — compare eubacteria
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