preservative

1 of 2

adjective

pre·​ser·​va·​tive pri-ˈzər-və-tiv 

: having the power of preserving

preservative

2 of 2

noun

: something that preserves or has the power of preserving

specifically : an additive used to protect against decay, discoloration, or spoilage

Examples of preservative in a Sentence

Noun

This food does not contain any artificial preservatives.

The wood was treated with preservative.

Recent Examples on the Web

Adjective

Earlier researchers suggested that the lack of sugar and the presence of additives (such as the sweetener aspartame and the preservative potassium benzoate) reduced surface tension in Diet Coke, launching the liquid farther. — Encyclopedia Britannica, 5 Aug. 2026

Out of the 17 preservative additives consumed by at least 10% of participants, eight in particular were associated with higher rates of hypertension, including the following. — Melissa Rudy, FOXNews.com, 22 June 2026

Noun

The company also plans to remove BHT (an artificial preservative) from the small number of cereals that still contain it. — Michele Laufik, Martha Stewart, 7 Aug. 2026

The marinades used usually contain a combination of oil, acids (like vinegar or citrus), herbs, spices, and sometimes sugar or preservatives. — Katie Rosenhouse, Southern Living, 2 Aug. 2026

Word History

First Known Use

Adjective

14th century, in the meaning defined above

Noun

15th century, in the meaning defined above

Rhymes for preservative

• conservative
• neoconservative

Kids Definition

preservative

1 of 2 adjective

pre·​ser·​va·​tive pri-ˈzər-vət-iv 

: having the power of preserving

preservative

2 of 2 noun

: something that preserves or has the power of preserving

especially : a substance added to food to prevent spoiling or discoloring

Medical Definition

preservative

noun

pre·​ser·​va·​tive pri-ˈzər-vət-iv 

: something that preserves or has the power of preserving

specifically : an additive used to protect against decay, discoloration, or spoilage

a food preservative