The factory contaminates the river with toxic waste.

The contaminative waste polluted the river.

The water in the river is contaminable.

She touched the food contaminatively.

Be careful not to cross-contaminate the food while cooking.

Cross-contamination can occur when raw meat comes into contact with cooked food.

Be careful not to cross-contaminate the raw and cooked foods.

The lab takes strict measures to prevent cross-contaminations.

The raw chicken cross-contaminated the cutting board.

The cross-contaminators were responsible for the food poisoning outbreak.