noun · academic

contamination

UK/kənˌtæmɪˈneɪʃən/US/kənˌtæməˈneɪʃən/con·ta·mi·NA·tion

Band 6-7task2speaking

the process or state of becoming unclean or unsafe because of harmful substances or germs

Examples

Officials tested the wells for contamination after the chemical spill.

Measures were taken to prevent further contamination of the coastal area.

Contamination can make food unsafe to eat if it is exposed to bacteria.

Band 8 sentence

Following the chemical leak, independent labs confirmed contamination in multiple sampling sites, prompting an urgent clean-up plan.

Collocations

  • contamination of + [water/land/site]
  • prevent contamination
  • risk of contamination

Word family

contaminate verbcontaminated adjectivecontaminant noun

Common mistakes

They find contamination in the wells yesterday.They found contamination in the wells yesterday.

There is a contamination on the coast.There is contamination along the coast.

The contamination of sea is serious.The contamination of the sea is serious.

Say it for a higher band

5dirt6make dirty7+contamination

Synonyms

taint

adulteration

Easily confused

depletion

The report focused on contamination of the wells rather than depletion of the aquifer.

Related words

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In Nature & Animals

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