rock salt
noun
1.
common salt occurring in extensive, irregular beds in rocklike masses.
Origin
1700-10
Examples from the web for
rock salt
The
rock salt
applied to icy roads in the winter is the same substance that comes out of your salt shaker.
rock salt
and bread by the doorstep to placate any resident gods.
rock salt
shall meet the satisfaction of the engineer.
Salt also comes from commercial properties as many apply
rock salt
to driveways, parking lots and building entrances.
The recommended application rate for sodium chloride or
rock salt
is one handful per square yard treated.
rock salt
has been solution mined for many years in many countries.
rock salt
or more environmentally safe products to melt ice on walkways.
People routinely add salt to their food as a flavor enhancer or apply
rock salt
to walkways to remove ice in the winter.
rock salt
is also damaging to vehicles if it gets on any painted or unpainted metal surface.
Traditional practices depended on
rock salt
or mixtures of
rock salt
and abrasives to remove snow and ice from the roadways.
British Dictionary definitions for
rock salt
rock salt
noun
1.
another name for
halite