preservative

Tending to preserve or capable of preserving.

Something used to preserve, especially a chemical added to foods to inhibit spoilage.

Preserving; tending to keep safe, sound, or free from decay: as, the preservative quality of salt.

That which preserves; anything which tends to keep safe and sound, or free from injury, corruption, or decay; a preventive of damage, decomposition, or waste.

Having the power or quality of preserving; tending to preserve, or to keep from injury, decay, etc.

That which preserves, or has the power of preserving; a presevative agent.

any agent, natural or artificial that acts to preserve, especially when added to food

tending to preserve

tending or having the power to preserve

a chemical compound that is added to protect against decay or decomposition