nounIntermediate

bacteria

US

/bækˈtɪriə/

UK

/bækˈtɪəriə/

Meaning

Tiny living organisms found almost everywhere; some cause disease, while many help people, animals, or the environment.

बहुत छोटे जीव जो लगभग हर जगह पाए जाते हैं; कुछ बीमारी फैलाते हैं, जबकि कई हमारे लिए फ़ायदेमंद होते हैं।

Examples

“Some bacteria in the gut help digest food.”

in the guthelp + verb

“Wash your hands to remove bacteria from your fingers.”

remove bacteriafrom + place

“The lab found bacterial growth on the old sample.”

bacterial + nounscientific context

Useful patterns

bacteria in/on + placeharmful or beneficial bacteriabacteria + plural verba bacterium (one organism)

Word toolkit

Build natural usage

Word family

bacterium(noun)
bacterial(adjective)

Common collocations

harmful bacteriabeneficial bacteriabacteria growbacteria spreadbacteria in the gutbacteria on surfaces

Common mistakes

Not natural: The doctor found a bacteria in the sample.

Better: The doctor found a bacterium in the sample.

Bacteria is plural; use bacterium when referring to one organism.

Bacteria बहुवचन है; एक जीव की बात हो तो bacterium कहें।

Not natural: She has a bacteria infection.

Better: She has a bacterial infection.

Use the adjective bacterial before a noun, not the plural noun bacteria.

Noun से पहले विशेषण bacterial आता है; यहाँ plural noun bacteria सही नहीं है।

🧠

Word Relationships

See how this word connects to related ideas.

●

Target word

bacteria
✓

Synonyms

Words with similar meaning

microbesmicroorganismsgerms

Learner tip

Bacteria is plural, even when it refers to a group; use a plural verb. One organism is a bacterium.

Bacteria बहुवचन है, इसलिए इसके साथ plural verb लगाएँ। एक जीव के लिए bacterium कहें।

🎧

Hear it in real English

See how people naturally use “bacteria”.

Optional listening practice using real YouTube examples.

Quick quiz

Check your understanding

1 / 5
One answer

What are bacteria?

Bacteria क्या होते हैं?