Difference between Tarmac and Tarmacadam

What is the difference between Tarmac and Tarmacadam?

Tarmac as a noun is the bituminous surface of a road. while Tarmacadam as a noun is a mixture of tar and small stones used in paving.

Part of speech: noun

Definition: The bituminous surface of a road. Area of an airport where planes park or maneuver.

Part of speech: verb

Definition: To pave To spend time idling on a runway, usually waiting for takeoff clearance

Part of speech: noun

Definition: A mixture of tar and small stones used in paving.

We hope you now know whether to use Tarmac or Tarmacadam in your sentence.