preservative

/pri'zə:vətiv/

Thân thiện

Timber is treated with a preservative to protect it from rot.

Definition

1. Adjective:

   • Having the quality or power to preserve something: Describes a substance, measure, or action that prevents decay, decomposition, or spoilage.
   • Intended to maintain a state or condition: Describes something that aims to keep something else in its existing state.

2. Noun:

   • A substance used to prevent decay: A chemical compound or agent added to products like food, wood, or cosmetics to inhibit the growth of microorganisms, slow down spoilage, or prevent chemical changes.
   • A protective measure: Something that serves to maintain or protect an existing condition.

Usage Examples

• Adjective:

  • Salt has strong preservative qualities for curing meat.
  • The museum uses preservative techniques to maintain the ancient manuscripts.

• Noun:

  • This juice contains no artificial preservatives.
  • The wood was treated with a copper-based preservative to prevent rot.

Advanced Usage

• "Act as a preservative": To serve the function of preventing decay.

  • The cold temperature of the refrigerator acts as a preservative for fresh food.

• In a figurative sense: Something that maintains a non-physical state.

  • Tradition can be a preservative of cultural identity.

Variants and Related Words

• Preserve (verb): To maintain something in its original or existing state; to keep safe from harm or decay.
  • They worked to preserve the historic building.
• Preservation (noun): The act or process of keeping something safe from damage or decay.
  • The preservation of digital data is a modern challenge.
• Preservable (adjective): Capable of being preserved.
  • Not all fruits are easily preservable without additives.

Synonyms

• Adjective: Protective, conserving, safeguarding.
• Noun: Conservant, antimicrobial (in specific contexts), antioxidant (for preventing oxidation).

Related Phrases

• "Free from preservatives": A label indicating a product contains no added substances to prevent spoilage.

  • Many consumers prefer foods free from preservatives.

• "Preservative-free": An adjective phrase describing something made without preservatives.

  • She buys preservative-free cosmetics for her sensitive skin.

Học thuật

Adjective

1. tending or having the power to preserve
   • timbers should be treated with a preservative substance

Noun

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