Oxford Dictionary English fracking nounnoun BrE BrE//ˈfrækɪŋ// ; NAmE NAmE//ˈfrækɪŋ// (formal or specialist hydraulic fracturing) [uncountable] Add to my wordlistjump to other resultsthe process of forcing liquid at high pressure into rocks, deep holes in the ground, etc. in order to force open existing cracks and take out oil or gas Fracking has created a shale gas boom in the United States. Wordfinderenergyenergy, fossil fuel, fracking, fuel, hydroelectric, nuclear, oil, power station, solar, wind farmCheck pronunciation: fracking oxfordlearnersdictionaries.com