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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.

A research team led by Drs. Se Hee Lee and Tae Woong Whon at WiKim focused on a kimchi-derived bacterium called Leuconostoc mesenteroides CBA3656.

From Science Daily • May 18, 2026

Their findings offer a clearer explanation of how this bacterium may influence depression.

From Science Daily • Apr. 25, 2026

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

From Science Daily • Apr. 23, 2026

A common gut bacterium found in most healthy individuals.

From Science Daily • Apr. 22, 2026

This bacterium actually kills by poisoning rather than by disease.

From "Silent Spring" by Rachel Carson

Vocabulary lists containing bacterium

Unit 8: Vocabulary from Readings 1

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

bacterium

Example Sentences

Related Words

Vocabulary lists containing bacterium

Unit 8: Vocabulary from Readings 1