adjective
- not capable of being burned; fireproof or fire-resistant
Examples
- The new building materials are completely unburnable.
- Scientists developed an unburnable fabric for firefighter uniforms.
- The safe was made from unburnable steel alloys.
- Asbestos was once considered an ideal unburnable insulation material.
- The laboratory stored chemicals in unburnable containers.
- Modern theaters use unburnable curtains for safety.