incombustible

/,inkəm'bʌstəbl/

Thân thiện

The scientist tests an incombustible fabric with a small flame.

Definition

1. Adjective:
   • Not capable of igniting and burning: Describes a material or substance that cannot be set on fire or consumed by flames. It is resistant to combustion.

Usage

The word "incombustible" is a formal, technical adjective primarily used in scientific, engineering, and safety contexts to describe materials. It is the direct opposite of "combustible" or "flammable."

Examples

• Adjective:
  • Asbestos was once valued for being an incombustible material.
  • The safe was designed with incombustible insulation to protect important documents from fire.
  • Concrete is largely incombustible, making it a good choice for building structures.

Advanced Usage

• "incombustible" as a property: Often used to specify a key characteristic in material specifications or safety standards.
  • The building code requires incombustible cladding for high-rise structures.

Variants and Related Words

• Noncombustible (adj): A more common synonym with the same meaning. "Noncombustible" is often preferred in modern technical and regulatory language.
  • The storage unit must be constructed of noncombustible materials.
• Fireproof (adj): Similar in meaning but often implies a material has been specially treated or designed to resist fire. "Incombustible" describes an inherent property.
• Fire-resistant (adj): Describes a material that can withstand fire for a period but may eventually burn or degrade, unlike something truly "incombustible."
• Incombustibility (n): The noun form referring to the quality of being incombustible.
  • The incombustibility of the mineral wool was tested in the laboratory.

Synonyms

• Nonflammable
• Noncombustible
• Fireproof (context-dependent)

Antonyms

• Combustible
• Flammable
• Inflammable (Note: "Inflammable" means the same as "flammable," not its opposite.)

Học thuật

Adjective

1. not capable of igniting and burning

Từ đồng nghĩa

• noncombustible