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road metal

noun, British
broken stone, cinders, etc., used for making roads.
Also called metal.
Origin of road metal
1810-20 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for road metal
  • These gravels have been mined from hundreds of pits for fill, base material for paved roads, and road metal for secondary roads.
  • In this region the roads are surfaced with oyster shells, which make an admirable road metal for light traffic.
  • Limestone for building stone, quartzite for cement, and gravel for road metal have been mined in the area.
  • The dense lava making up this plug is suitable for use as road metal, and currently is quarried for that purpose.
  • The occurrence area has been used as road metal for local road construction and is fairly well exposed.
British Dictionary definitions for road metal

road metal

crushed rock, broken stone, etc, used to construct a road
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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