preservative

/prɪˈzɜrvətɪv/
adjective
  1. Serving to preserve something, especially from decay or spoilage.
    • Salt has preservative properties that have been used for centuries.
    • This cream has a preservative effect on leather.
    • The preservative coating on the fence keeps it from weathering.
noun
  1. A substance used to prevent food, wood, or other materials from decaying or spoiling.
    • Many packaged foods contain chemical preservatives to extend their shelf life.
    • Some people prefer foods with no artificial preservatives.
    • The wood was treated with a preservative to protect it from rot.
What does "preservative" mean? | whatsthatwordmean | whatsthatwordmean