sub·​ba·​sin ˌsəb-ˈbā-sᵊn How to pronounce subbasin (audio)
variants or sub-basin
plural subbasins or sub-basins
: a geologic basin formed within or as part of another basin
sediment samples taken from the subbasins of the watershed

Examples of subbasin in a Sentence

Recent Examples on the Web State regulators were particularly concerned about five contaminants in the subbasin’s groundwater. Susanne Rust, Los Angeles Times, 27 Dec. 2023 In 2020, the agencies claimed to have 70 such wells across the subbasin. Susanne Rust, Los Angeles Times, 27 Dec. 2023 Just west of the Tulare Lake subbasin is the Westside subbasin, administered by the Westlands Water District, where state officials have approved the local groundwater plan. Susanne Rust, Los Angeles Times, 27 Dec. 2023 Advertisement But Tombstone is in the Kings subbasin in Fresno County, where regulators have recommended approving local groundwater plans. Ian James, Los Angeles Times, 18 Apr. 2023 In the same 10-year period, 42 wells that were measured in the Big Chino subbasin had a median decline of 2.5 feet, while the biggest drop in one well was 13.5 feet. Ian James,, 6 Sep. 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'subbasin.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1832, in the meaning defined above

Time Traveler
The first known use of subbasin was in 1832

Dictionary Entries Near subbasin

Cite this Entry

“Subbasin.” Dictionary, Merriam-Webster, Accessed 14 Apr. 2024.

Last Updated: - Updated example sentences
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