ash
waste product of fire; the end product of incomplete combustion; the solid remains of fires; specifically, it refers to all non-aqueous, non-gaseous residues that remain after something is burned
bottom ash
solid residue of combustion in the lower part of an industrial oven
incinerator bottom ash
combustion residue of coal or waste agglomerated in the lower part of an oven
volcanic ash
volcanic material formed during explosive eruptions with the diameter of the grains less than 2 mm
fly ash
residue of coal combustion
ember
chunk of heated/cooling ashen matter
bone ash
Material formed from calcination of bones
plant ash
residue obtained from the combustion of plant material