subbasin

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noun

A basin within a larger basin.

Less commonScrabble 12
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Meanings

nounsubbasin (plural subbasins)

plural subbasins

  1. geographyA basin within a larger basin.

    Since 2006 the surface of the aquifer, in the Kaweah subbasin of the San Joaquin basin, has dropped 50 feet as farmers pumped deeper, Mr. Watte says.

    2009 May 14, Felicity Barringer, “Rising Calls to Regulate California Groundwater”, in New York Times

Origin

From sub- + basin.

Full word history & related roots →
Cite this entry
APA

subbasin. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/subbasin

MLA

“subbasin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/subbasin. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “subbasin,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/subbasin.

Source: subbasin on Wiktionary, CC BY-SA 4.0.