B1 [ U ] the gray, black, or white mixture of gasoline and really compact parts of carbon which is made when a little something burns: Cigarettes also include fillers comprised of stems and various parts of the tobacco trousers which might be blended with h2o, flavorings, and additives. https://broadfar.com/oraco-pioneering-a-smokeless-future-with-innovative-nicotine-delivery/