Preservative
WordNet

adjective


(1)   Tending or having the power to preserve
"The timbers should be treated with a preservative"

noun


(2)   A chemical compound that is added to protect against decay or decomposition
WiktionaryText

Noun



  1. any agent, natural or artificial that acts to preserve, especially when added to food
    Salt, sugar, and acid all act as preservatives when making pickles.

Adjective


preservative
  1. tending to preserve
    The curators took preservative actions to maintain the ancient collection.
 
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