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Preservative vs Reservative - What's the difference?

preservative | reservative |

As adjectives the difference between preservative and reservative

is that preservative is tending to preserve while reservative is tending to reserve or keep.

As a noun preservative

is (countable) any agent, natural or artificial that acts to preserve, especially when added to food.

preservative

English

Noun

(en noun)
  • (countable) 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

    (head)
  • tending to preserve
    • The curators took preservative actions to maintain the ancient collection.

    reservative

    English

    Adjective

    (-)
  • Tending to reserve or keep.
    • (Webster 1913)