retardant

Thân thiện

A firefighter sprays flame retardant on a forest fire.

Definition

1. Noun:
   • A substance or agent that slows down a process, reaction, or the spread of something, especially fire.

Usage

• The word "retardant" is most commonly used as a noun to describe a substance that inhibits or delays a specific action. It is frequently part of a compound adjective, such as "flame-retardant," which describes a material treated with or possessing properties that resist burning.
• It is a formal or technical term, most often encountered in scientific, industrial, or safety contexts.

Examples

• Noun:
  • The fabric was treated with a chemical retardant to make it safer.
  • This coating acts as a corrosion retardant, protecting the metal from rust.

Advanced Usage

• "flame-retardant" (compound adjective): Describes a material designed to slow the spread of fire.
  • The children's pajamas are made from flame-retardant fabric.
• "fire retardant" (noun phrase): A substance used to slow or stop the spread of fire, often dropped from aircraft to combat wildfires.
  • The planes dropped fire retardant on the advancing flames.

Variants and Related Words

• Retard (verb): To delay or slow the progress, development, or speed of something.
  • The bad weather retarded the growth of the crops.
• Retardation (noun): The act of retarding or the condition of being retarded; delay.
• Flame-retarded (adjective): Having been treated with a flame retardant.

Synonyms

• Inhibitor
• Suppressant
• Hindrance
• Obstacle (in a more general sense of causing delay)

Antonyms

• Accelerant
• Catalyst
• Promoter

Học thuật

Noun

1. any agent that retards or delays or hinders
   • flame-retardant

Từ đồng nghĩa

• retardent
• retardation