Definition

A type of road surface made from layers of crushed stone that are compacted together, often mixed with tar or asphalt to hold them in place.

Example

The new highway was built using macadam to ensure a smooth and durable surface.

Conversation

Have you ever walked on a road made of macadam?

Yeah, I think it's pretty interesting how it's built up from stone.

I love the texture it gives to the pavement when it's done right.

Definitely! It gives the road a unique look and feel.

Synonyms & Antonyms

Root Explanation

Macadam is derived from the name of Scottish engineer John Loudon McAdam, who developed a method of road construction in the early 19th century. The term refers to a type of road surface made from small broken stones, which are compacted to create a solid surface. Thus, 'macadam' signifies a specific technique of road building pioneered by McAdam.

Memory Tip

Think of John McAdam, who created a special way to build roads using small stones. This helps you remember that 'macadam' refers to that type of road surface.

Visually Confused Words