contamination
Pronunciation: [kənˌtæmɪˈneɪʃən]
Word
Context: "health and safety"
(noun) the presence of harmful substances in something. This can happen in air, water, or food. If you find something in your food that shouldn't be there, that is contamination. It's important to keep our environment clean to avoid contamination.
Example
The food was tested and found to be free from contamination.
Example
The water supply had serious contamination problems that made it unsafe to drink.
Example
What steps can we take to reduce contamination in our environment?
Context: "science"
(noun) the introduction of unwanted materials or agents in a sample or environment. In science experiments, contamination can change the results, so scientists must be very careful to keep their samples clean.
Example
The laboratory ensured that the samples were protected from contamination.
Example
Contamination of the sample led to inaccurate results in the experiment.
Example
How can researchers prevent contamination in their samples?
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