Adjective: fire-resistant 'fI(-u)r-ri,zis-t(u)nt or ,fI(-u)r-ri'zis-t(u)nt
- Difficult to burn
"The building materials were fire-resistant to improve safety";
- fire-retardant, fire-resisting, fire-resistive
See also: incombustible, noncombustible
Encyclopedia: Fire-resistant