■ noun ( plural impurities )
1》 the quality or condition of being impure.
2》 a constituent which impairs the purity of something.
3》 Electronics a trace element deliberately added to a semiconductor; a dopant.
■ noun ( plural impurities )
1》 the quality or condition of being impure.
2》 a constituent which impairs the purity of something.
3》 Electronics a trace element deliberately added to a semiconductor; a dopant.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004