1. plural of sootiness; the quality or state of being sooty or covered with soot
Usage: rare plural form

Examples

• The different sootinesses of the chimneys indicated varying levels of use.
• She compared the sootinesses of the old factory buildings.
• The inspector noted the various sootinesses throughout the industrial district.
• Multiple sootinesses were evident after the fire.
• The cleaning crew addressed the different sootinesses in each room.