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Definition of cross-contamination noun from the Oxford Advanced Learner's Dictionary

cross-contamination

noun
 
/ˌkrɒs kənˌtæmɪˈneɪʃn/
 
/ˌkrɔːs kənˌtæmɪˈneɪʃn/
[uncountable]
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  1. the process by which harmful bacteria spread from one substance to another
    • Always cover raw food to prevent cross-contamination.
See cross-contamination in the Oxford Advanced American Dictionary
trait
noun
 
 
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