: underlying support placed below what is normally construed as a base: such as
a
: the lowest member horizontally of an architectural base or of a baseboard or pedestal
b
: pervious fill (such as crushed stone) placed under a roadbed
Examples of subbase in a Sentence
Recent Examples on the Web
This is called the subbase, or unbound aggregate base.
—
Mansour Solaimanian, The Conversation, 10 May 2024
According to the audit, streets are constructed in four levels — surface, base, subbase and subgrade — so a resurfaced road would not necessarily cure a flawed subgrade.
—Jeff McDonald, sandiegouniontribune.com, 13 July 2017
These examples are automatically compiled from online sources to
illustrate current usage. Opinions expressed in the examples do not represent those of
Merriam-Webster or its editors.
Send us feedback
about these examples.
Mansour Solaimanian, The Conversation, 10 May 2024
According to the audit, streets are constructed in four levels — surface, base, subbase and subgrade — so a resurfaced road would not necessarily cure a flawed subgrade.
—Jeff McDonald, sandiegouniontribune.com, 13 July 2017
Dictionary Entries Near subbase
Cite this Entry
“Subbase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subbase. Accessed 17 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share