subbase

noun
sub·​base | \ ˈsəb-ˌbās How to pronounce subbase (audio) \

Definition of subbase

: 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 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 example sentences are selected automatically from various online news sources to reflect current usage of the word 'subbase.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of subbase

1667, in the meaning defined above

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The first known use of subbase was in 1667

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Dictionary Entries Near subbase

subbasal

subbase

subbasement

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Cite this Entry

“Subbase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subbase. Accessed 25 Oct. 2021.

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Britannica.com: Encyclopedia article about subbase

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