Definition of cross-contamination in English:



  • The process by which bacteria or other microorganisms are unintentionally transferred from one substance or object to another, with harmful effect.

    • ‘Keeping your hands, utensils and food surfaces clean can prevent cross-contamination.’
    • ‘People can avoid being poisoned by the bacterium by cooking eggs thoroughly and avoiding cross-contamination by washing knives, cutting surfaces and plates.’
    • ‘Good traffic control practices protect personnel, patients, supplies, and equipment from potential sources of cross-contamination.’
    • ‘Because the risk of cross-contamination is so high, I might not rely on hot soapy water.’
    • ‘Most of the consumers surveyed indicated they comply with these practices, particularly in reducing cross-contamination after contact with raw fish, meat, or chicken.’
    • ‘Changes in laboratory techniques were designed to minimize the possibility of cross-contamination during batch processing.’
    • ‘If laboratory cross-contamination or administrative errors occur, this would lead to an overestimate of the proportion of recurrences attributed to reinfection.’
    • ‘The second set of changes in laboratory technique was specifically designed to reduce cross-contamination.’
    • ‘A further 18% said they would find the crops acceptable only if there was no risk of cross-contamination.’
    • ‘In all cases cross-contamination of cell types was less than 16%.’
    • ‘To guard against cross-contamination, put packages of raw meat and poultry into plastic bags.’
    • ‘The Food Standards Agency said that although it was still relatively rare to find salmonella in salad it could be caused by cross-contamination at processing plants.’
    • ‘Use separate chopping boards and utensils or wash them thoroughly to avoid cross-contamination between raw meat and any cooked or ready-to-eat foods.’
    • ‘If wound fluid is allowed to stagnate, microorganisms may thrive and cause cross-contamination between patients.’
    • ‘The issue here is the degree to which the safeguards we have in place are sufficient to stop cross-contamination.’
    • ‘Adequate care was taken to prevent cross-contamination of materials among specimens.’
    • ‘Laboratory films covered the cutting board, thus avoiding any cross-contamination.’
    • ‘Great care was exercised to avoid cross-contamination of pots.’
    • ‘Her death fuelled fears of cross-contamination, where envelopes touch anthrax-laced packages and become infected.’
    • ‘Good practice in the handling and use of ordinary eggs helps avoid cross-contamination.’