inject liquid into (a subterranean rock formation, borehole, etc.) at high pressure so as to force open existing fissures and extract oil or gas

millions of gallons of water are needed to successfully frack a single well

a gas company wants to frack his land and the land around it

(of oil or gas) extracted by the injection of liquid into a subterranean rock formation, borehole, etc. at high pressure

the pipeline currently brings fracked gas to New York from Texas