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Showing results for bacterium. Search instead for darmbakterium.
Definitions

bacterium

[bak-teer-ee-uhm] / bækˈtɪər i əm /
NOUN
cell
Synonyms
STRONGEST
egg germ unit
STRONG
corpuscle embryo follicle microorganism spore utricle vacuole
WEAK
cellule haematid
NOUN
ferment
Synonyms
STRONG
bacteria barm ebullition enzyme leaven leavening mold seethe simmer yeast
WEAK
fermentation agent
Antonyms
WEAK
calm contentedness happiness peace pleasure
NOUN
germ
Synonyms
STRONGEST
antibody bug disease microbe microorganism pathogen virus
WEAK
parasite what's going around
NOUN
microbe
Synonyms
STRONGEST
bacillus bug germ microorganism pathogen virus
STRONG
crud plague
NOUN
microorganism
Synonyms
STRONGEST
microbe pathogen virus
STRONG
bug disease
WEAK
disease-causing agent parasite

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Earlier research in the series focused mainly on Yersinia pestis, the bacterium responsible for plague.

From Science Daily • Apr. 23, 2026

For years, researchers have linked one specific bacterium, Bacteroides fragilis, to colorectal cancer.

From Science Daily • Apr. 22, 2026

This approach revealed traces of ancient pathogens, including the plague bacterium Yersinia pestis and the organism responsible for louse-borne relapsing fever, Borrelia recurrentis.

From Science Daily • Apr. 22, 2026

One lowly bacterium possesses a flagellum—a tiny tail or rotor.

From The Wall Street Journal • Apr. 16, 2026

All of us carry the bacterium in our bodies, probably since birth or immediately thereafter.

From "The Tipping Point" by Malcolm Gladwell

Vocabulary lists containing bacterium

Unit 8: Vocabulary from Readings 1

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