preservative
n. C / U B2 Upper Intermediate US //pɹiˈzɝvətɪv// UK //pɹɪsˈɜːvətˌɪv// preser·va·tive
n. a substance added to food or medicine to stop it from going bad or spoiling. It helps things stay fresh for a longer time.
n. a substance added to food, medicine, or other perishable materials to prevent spoilage or decay. It inhibits the growth of bacteria, fungi, and other microorganisms.
Salt is a natural preservative that keeps meat fresh.
Many processed snacks contain chemical preservatives to ensure they remain safe to eat for several months on the shelf.
While synthetic preservatives offer significant shelf-life benefits, many consumers now prefer products that rely on natural alternatives like rosemary extract or vinegar to maintain freshness.
From Old French preservatif, from Medieval Latin praeservativus.