subbasin
noun
sub·ba·sin
ˌsəb-ˈbā-sᵊn 
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
The new pool was found in a subbasin at the Norris Geyser Basin, which is the park's hottest and oldest thermal area.
—
Melina Khan, USA Today, 16 July 2025
In one area of the Tule subbasin west of Tipton, state officials said, the ground has sunk more than seven feet since 2015.
—Ian James, Los Angeles Times, 21 Sep. 2024
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Melina Khan, USA Today, 16 July 2025
In one area of the Tule subbasin west of Tipton, state officials said, the ground has sunk more than seven feet since 2015.
—Ian James, Los Angeles Times, 21 Sep. 2024
Cite this Entry
“Subbasin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subbasin. Accessed 31 Oct. 2025.
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