impurity
Translation
impurity, contaminant
Examples
The water contained a high level of impurity.
The water contained a high level of impurity.
They removed the impurities from the metal.
They removed the impurities from the metal.
Grammar Patterns
impurity in ((sth.)) The impurity in the water was high.
to remove impurities from ((sth.)) They removed the impurities from the metal.
Similar Words
Etymology
From the prefix 'im-' (not) + 'pure' + the noun suffix '-ity' (state/quality). Literally 'the state of not being pure'.
Memory Tips
Imagine 'impure tea' – tea with unwanted things mixed in. This helps you remember it's something that makes a substance unclean.