IPA: /ˈsuːtɪnəs/
KK: /ˈsutɪnəs/
The condition of being covered with or resembling soot, which is a black powdery substance produced by burning organic matter.
The sootiness of the walls indicated that the fireplace had not been cleaned in a long time.
Sootiness → It is formed from "soot" (from Old English *sōt*, meaning a black substance produced by burning) and "-iness" (meaning the quality of being). The word "sootiness" refers to the quality of being covered in or resembling soot.
Think of the black substance from burning ('soot') and how the '-iness' suffix indicates a quality. This helps you remember that 'sootiness' means the quality of being covered in soot.