tarmacadam

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tarmacadam

The airplane taxis slowly across the tarmacadam.

Definition

Noun: 1. A paved surface: A durable, smooth road or runway surface constructed from compressed layers of broken stone (aggregate) bound together with tar. 2. A paving material: A mixture of tar and broken stone or slag, prepared in a factory and laid while hot to form a solid surface.

Usage
  • The airport crew worked through the night to repair the damaged tarmacadam on the main runway.
  • For the driveway, they chose tarmacadam over concrete for its faster installation and lower cost.
  • The old tarmacadam road had become cracked and uneven after many harsh winters.
Advanced Usage
  • The term is often shortened informally to "tarmac", especially in contexts like airports (e.g., "The plane is on the tarmac"). In formal engineering and construction contexts, "tarmacadam" or "bituminous macadam" is preferred.
  • It describes both the material itself and the finished surface made from it.
Variants and Related Words
  • Tarmac (n.): The common, shortened form of "tarmacadam".
  • Asphalt (n.): A similar but distinct paving material using bitumen (a product from petroleum) as the binder instead of tar (a product from coal or wood). Often used interchangeably with "tarmac" in general language, though they are technically different.
  • Bituminous Macadam (n.): A more modern and technically accurate term for a road surface where bitumen binds the aggregate.
  • Blacktop (n.): A general North American term for any dark-colored, bitumen-based road surface, including tarmacadam and asphalt.
Synonyms
  • Pavement (for the surface meaning)
  • Asphalt (in general, non-technical use)
  • Bitumen (for the binder component; also used for the material in some regions)
  • Macadam (refers to the crushed stone layer; tarmacadam is a type of macadam with a tar binder)
Notes on Different Meanings

The word "tarmacadam" has two closely related primary meanings: 1. The physical material used for paving (a factory-made mix). 2. The constructed surface made from that material (a finished road or area).

It does not commonly have idiomatic or phrasal verb uses, as it is a specific technical term for a construction material and surface.

tarmacadam

The airplane taxis slowly across the tarmacadam.

Noun
  1. a paved surface having compressed layers of broken rocks held together with tar
  2. a paving material of tar and broken stone; mixed in a factory and shaped during paving

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