soot
nounfeminine/fuˈliʒẽj̃/medium
fu·li·gem
Definition
A black, powdery substance consisting chiefly of carbon, produced by incomplete combustion.
Soot from the fireplace covered the hearth.
The old engine emitted clouds of black soot.
syn
Common collocations
layer of sootsoot particlesclean sootsoot buildup
Etymology
Do latim 'fuligo, fuliginis' (fuligem, cinza).