adjective. Tending to preserve or capable of preserving.

noun. 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.

noun. 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.

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

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

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

adjective. tending to preserve

adjective. tending or having the power to preserve

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

"I have had some previous experience in this branch of what I call preservative chemistry, and I have already in some degree succeeded in attaining my object."

protective  

Conservative  conservative  neoconservative  ultraconservative  

acid-free  albuminous  anti-seize  antifungal  antiseptic  

backward  brine  conservational  conservationist  conservative