impurities
Concise Oxford English Dictionary © 2008 Oxford University Press:
impurity/ɪmˈpjʊərəti/
▶noun (pl. 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.
'impurities' also found in these Oxford entries:
basic oxygen process
- Bessemer process
- clarify
- depuration
- detergent
- filter
- filter tip
- fluorite
- getter
- impurity
- refine
- scrub
- unrefined
