Subbasin

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A 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."

Example

More examples

"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."

Etymology

From sub- + basin.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.