Meaning & use
contamination
The presence of a harmful or unwanted substance that makes something impure or dangerous.
See it in a sentence
Inspectors closed the plant after finding evidence of bacterial contamination in the water supply.
Scientists wear gloves in the lab to prevent contamination of their samples.
A note on using this word
"Cross-contamination" specifically describes contamination spreading from one substance or surface to another.
Words with a similar meaning
pollutionimpurity
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
Make it your own
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