impurity
🇺🇸
/ɪmˈpjʊrəti/
🇬🇧
/ɪmˈpjʊərəti/
A small amount of a substance that is mixed in with another substance, making it not as clean or good as it should be.
The researchers were able to remove the impurities from the experiment, resulting in more accurate results.
When something is not clean or pure, and has unwanted substances in it.
The purity of the diamond was compromised by the presence of impurities.