roadbed
Americannoun
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Railroads.
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the bed or foundation structure for the track of a railroad.
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the layer of ballast immediately beneath the ties of a railroad track.
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the material of which a road is composed.
noun
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the material used to make a road
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a layer of ballast that supports the sleepers of a railway track
Etymology
Origin of roadbed
Vocabulary lists containing roadbed
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.
With crews still working to clear debris from under the freeway, the wooden structure that will support the roadbed around the damaged columns is already being constructed.
From Los Angeles Times ● Nov. 16, 2023
She believes raising the roadbed and installing a small wildlife underpass beneath it would significantly reduce the number of newts that die on Chileno Valley Road.
From New York Times ● Jan. 24, 2023
Warming temperatures are accelerating the glacier’s movement downhill, carrying 300 feet of roadbed with it and jeopardizing continued access to some of the park’s key attractions.
From Washington Post ● Oct. 15, 2021
“During the 1990s, the landslide, which occurs below the roadbed, only caused small cracks in the road surface,” the statement said.
From Seattle Times ● Aug. 24, 2021
Instantly they gave chase, drove it across the tracks and there filled their pockets with granite stones from the roadbed.
From "Cannery Row" by John Steinbeck
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
