Topic: ROADS
| Date: | 1900-2000 |
| Origin: | Tarmac, a trademark, from tarmacadam 'tarmac' (19-20 centuries), from tar + macadam 'smooth hard road surface' (19-20 centuries) (from John L. McAdam (1756-1836), Scottish engineer who invented the process) |
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tar‧mac1
trademark
trademark1 also tar‧ma‧cad‧am British English
[uncountable]TTR a mixture of tar and very small stones, used for making the surface of roads [= asphalt]
[uncountable]TTR