tar·​mac·​ad·​am ˌtär-mə-ˈka-dəm How to pronounce tarmacadam (audio)
: a pavement constructed by spraying or pouring a tar binder over layers of crushed stone and then rolling
: a material of tar and aggregates mixed in a plant and shaped on the roadway

Word History

First Known Use

1882, in the meaning defined at sense 1

Time Traveler
The first known use of tarmacadam was in 1882

Dictionary Entries Near tarmacadam

Cite this Entry

“Tarmacadam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tarmacadam. Accessed 6 Dec. 2023.

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