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macadam

American  
[muh-kad-uhm] / məˈkæd əm /

noun

  1. a macadamized road or pavement.

  2. the broken stone used in making such a road.


macadam British  
/ məˈkædəm /

noun

  1. a road surface made of compressed layers of small broken stones, esp one that is bound together with tar or asphalt

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of macadam

1815–25; named after J. L. McAdam (1756–1836), Scottish engineer who invented it

Vocabulary lists containing macadam

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

When the firefighters pulled up on Woodland Drive, the severed power lines were dancing in the street, showering it with sparks and melting the macadam.

From Washington Post • Mar. 29, 2021

You may note that good intentions are the macadam on the road to hell.

From Seattle Times • Mar. 27, 2015

It turns out it’s short for tarmacadam, or tar-penetration macadam.

From Forbes • Sep. 18, 2014

In all three cases we are offered what evidence of the truth cannot be avoided, and then it is quickly dispatched to oblivion by those laying down the macadam.

From Salon • Mar. 6, 2014

A painted cattleguard, however, was just that: nothing more subtle or elaborate than a group of evenly spaced white stripes painted across a macadam road.

From "The Milagro Beanfield War" by John Nichols