Something that loops; a looped pattern or action.
"The smelter operator warned that overheating the copper concentrate during calcination would cause looping, fusing the valuable ore into an unworkable solid mass before it could be processed further."
The running together of ore into a mass, when the ore is only heated for calcination.
present participle of loop
"The audio started looping because I forgot to save my edits before restarting the program."