cross contamination

play
noun \ ˈkrȯs-kən-ˌta-mə-ˈnā-shən \
variants: or cross-contamination
Updated on: 11 Sep 2017

Definition of cross contamination

:inadvertent transfer of bacteria or other contaminants from one surface, substance, etc., to another especially because of unsanitary handling procedures
  • With raw eggs, as with raw chickens, it is important to avoid cross contamination. Use separate utensils—bowls, forks, knives, counter tops, and cutting boards—for raw chickens or eggs, and clean them thoroughly before reusing them for cooked foods.
  • —Phyllis C. Richman
  • Jim Steinhoff, a sanitarian and food inspector for the La Crosse County Health Department, said cross-contamination is the cause of the recent nationwide salmonella outbreak with peanut butter products.
  • —Terry Rindfleisch

cross-contaminate

play \ˈkrȯs-kən-ˈta-mə-ˌnāt\ transitive verb, cross-contaminated; cross-contaminating
    • "ARB [=antibiotic-resistant bacteria] are carried into the kitchen on contaminated meat and poultry, where other foods are cross-contaminated because of common unsafe handling practices."
    • —Jerome Groopman
    • There's an ongoing debate about whether wood or plastic is more bacteria-resistant. But more important than the material of your cutting board is how you clean it. Don't cross-contaminate it by using an old sponge or less-than-pristine dishtowel.
    • Natural Health

First Known Use of cross contamination

1898


Seen and Heard

What made you want to look up cross contamination? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

agreeable, attractive, or delicious

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!