0 a type of rock music with a strong beat in which drums and electric guitars are played very loudly --
1 a type of rock music (= popular music) with a strong beat in which drums and electric guitars are played very loudly --
Delays due to inappropriate weather and tidal condition have also been exacerbated by the longer time being taken to prepare the seabed excavations in very hard rock.
Unfortunately, the text voted today at second reading has reintroduced the possibility of storing mercury in sites other than salt mines, specifically in deep underground hard rock formations.
It should be free from water or hard rock to a depth of not less than 4 feet 3 inches.
There comes a time when, however clever, however élitist, there are hard rock situations that have to accommodate these matters.
Vitrified waste was put into solid metal canisters which were drilled 5,000 ft or 10,000 ft into hard rock and then buried underground.
This is equivalent to an impact of about 65 mph on to hard rock or 75 mph on to concrete.
No doubt dredged material would be used for in-fill to lessen demand for hard rock.
Radiation-induced lung cancers have been reported in uranium and hard rock miners for a long time.
