contamination
Pronunciación: [kənˌtæmɪˈneɪʃən]
Palabra
Contexto: «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.
Ejemplo
The food was tested and found to be free from contamination.
Ejemplo
The water supply had serious contamination problems that made it unsafe to drink.
Ejemplo
What steps can we take to reduce contamination in our environment?
Contexto: «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.
Ejemplo
The laboratory ensured that the samples were protected from contamination.
Ejemplo
Contamination of the sample led to inaccurate results in the experiment.
Ejemplo
How can researchers prevent contamination in their samples?
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