contamination

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Related to contaminate: crucial, pollutant

contamination

A condition of impurity resulting from mixture with a foreign substance.

References in periodicals archive ?
The development of a rapid, sensitive and inexpensive screening method for bacterial detection is complicated by the numerous strains of bacteria that can contaminate platelets and the time required for some strains to proliferate to the point where they can be detected.
* Routine inspection of shower heads (Bacteria implicated in Legionnaire's disease have been shown to contaminate them; solutions: hyperchlorination and superheating.)
attorney who argued the appeal for the government, thinks they could have won if he could have argued at the district level that the trace amounts that have been found to contaminate most currency might be too small for a dog to detect, and that a dog's alert is still meaningful.