The term 'smoke column' can be summarized as a PLUME of smoke, which is a five-letter word. A smoke column is a vertical column of smoke that is produced by a fire or other source of combustion. It is usually composed of a mixture of hot gases, aerosols, and particulate matter. Smoke columns can be seen in the sky during wildfires, volcanic eruptions, and other events that produce large amounts of smoke. They can also be seen in industrial areas where there is a lot of burning of fossil fuels. Smoke columns can be hazardous to human health, as they contain pollutants that can cause respiratory problems.