Because corrosion is a diffusion-controlled process, it occurs on exposed surfaces. As a result, methods to reduce the activity of the exposed surface, such as passivation and chromate conversion, can increase a material's corrosion resistance.
Foodborne Illnesses Definition: A foodborne illness is an infection or poisoning caused by a bacterium, virus, parasite, or chemical transmitted by food. A foodborne outbreak is an illness event that typically includes two or more people infected from a common food source.
food poisoning definition. Illnesses that arise from eating food contaminated with pathogenic or toxic (see toxins) substances. Characterized by vomiting and diarrhea, food poisoning is often caused by bacteria, such as salmonella or staphylococci. (See botulism.)