Definition of fuliginosity in English:

fuliginosity

noun

rare
  • The condition or quality of being fuliginous or sooty; sooty or carbonaceous matter.

Origin

Mid 17th century. From French fuliginosité from post-classical Latin fuliginosus + French -ité.

Pronunciation

fuliginosity

/fjuːˌlɪdʒɪˈnɒsɪti/