Definition of 'tar sand'
Example sentences containing 'tar sand'
Times, Sunday Times (2007) Times, Sunday Times (2010)
But the team also discovered the same technique can be used on Earth to produce fuel from tar sands.The Sun (2009)
Powerful interests inside and outside Canada are determined to find a sustainable method of producing oil from the tar sands.Times, Sunday Times (2009)
F&C's investment criteria now allow firms investing in tar sands provided their involvement does not extend beyond 3% of their assets.Times, Sunday Times (2012)
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Definition of tar sand from the Collins English Dictionary