: the residue of fermented wort left in a still after the distillation of whiskey or alcohol and used for animal feed
Example Sentences
Recent Examples on the WebThis amounts to 684,000 metric tons of draff and over 2.3 billion liters of pot ale every year, according to Zero Waste Scotland. Rebecca Cairns, CNN, 25 Apr. 2022 The startup uses a process known as acetone-butanol-ethanol (ABE) fermentation in which bacteria break down the sugars in the whisky draff and pot ale into acids. Rebecca Cairns, CNN, 25 Apr. 2022