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tarmacadam

[tahr-muh-kad-uh m]
noun
  1. a paving material consisting of coarse crushed stone covered with a mixture of tar and bitumen.
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Origin of tarmacadam

First recorded in 1880–85; tar1 + macadam
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018