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glasphalt

[glas-fawlt, glahs- or, esp. British, -falt]
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noun
  1. a road-surfacing material composed of asphalt and crushed glass.
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Origin of glasphalt

1965–70; blend of glass and asphalt
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018