SMOKESTACK

[noun] [C] - a tall vertical pipe which takes smoke or steam into the air from an engine powered by steam or from a factoryThe smokestacks of the power station tower above the town.Smokestack emissions are reduced by burning coal more efficiently.(esp. US) Smokestack industries are traditional industries that produce large machines or materials used in other industries and create a lot of pollution in doing so.The trade union movement has been weakened by the decline in smokestack industries such as shipbuilding and steel.