Definitions

1. adjective

resistant to or protected from soot

“The sootproof fabric on the chimney sweep’s coat was a lifesaver.”

2. adjective

relating to or characterized by resistance to soot

“The sootproof coating on the car’s exhaust system helped reduce maintenance costs.”

3. noun

a material or coating that is resistant to soot

“The manufacturer offered a sootproof option for the new air purifier.”