preservative

3 ENTRIES FOUND:

1pre·ser·va·tive

adjective \pri-ˈzər-və-tiv\

Definition of PRESERVATIVE

:  having the power of preserving

First Known Use of PRESERVATIVE

14th century

Rhymes with PRESERVATIVE

2preservative

noun

: a chemical that is added to food to keep it fresh longer

: a substance that is used on wood to prevent it from decaying

Full Definition of PRESERVATIVE

:  something that preserves or has the power of preserving; specifically :  an additive used to protect against decay, discoloration, or spoilage

Examples of PRESERVATIVE

  1. This food does not contain any artificial preservatives.
  2. The wood was treated with preservative.

First Known Use of PRESERVATIVE

15th century

Rhymes with PRESERVATIVE

pre·ser·va·tive

noun \pri-ˈzər-vət-iv\   (Medical Dictionary)

Medical Definition of PRESERVATIVE

: something that preserves or has the power of preserving; specifically : an additive used to protect against decay, discoloration, or spoilage <a food preservative>

preservative

noun    (Concise Encyclopedia)

Any of numerous chemical additives used to prevent or slow food spoilage caused by chemical changes (e.g., oxidation, mold growth) and maintain a fresh appearance and consistency. Antimycotics (e.g., sodium and calcium propionate, sorbic acid) inhibit mold growth; antioxidants (e.g., butylated hydroxytoluene or BHT) delay rancidity in foods containing fats and oils; antibiotics (e.g., tetracyclines) prevent bacterial growth; humectants retain moisture in products like shredded coconut; and antistaling agents (e.g., glyceryl monostearate) maintain moisture and softness in baked goods. Some preservatives also improve the appearance of the product (e.g., sodium nitrate and nitrite in meats).

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