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  • (UK) IPA(key): /ˈkætʃ.mənt/
  • Hyphenation: catch‧ment


catchment ‎(plural catchments)

  1. any structure or land feature which catches and holds water
    • 1998, Isotope Tracers in Catchment Hydrology (preface) by C. Kendall and J.J. McDonnell
      ...that streamflow generated during rainfall or snowmelt is derived primarily from water stored in the catchment prior to the event....
  2. collection of water such as with a catchment
    • 2015, BYU Magazine
      Every mountain in Petra has carved water channels in the indigenous stone that catch the seasonal erosion floods. Every building seems to be positioned to maximize water catchment.
  3. A catchment area, or the people it serves.
    • 2003, United Nations. Economic and Social Commission for Asia and the Pacific, Guidelines on Participatory Planning and Management for Flood Mitigation and Preparedness
      The publication of regular newsletters providing updates of floodplain management activities and distributed to individual residents in the catchment is an effective means of keeping the community informed.
    • 2013, Martin Gulliford, ‎Myfanwy Morgan, Access to Health Care (page 17)
      [] each providing specialised medical and surgical facilities for a catchment of 200,000 to 300,000 population.

Derived terms[edit]



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catchment ‎(not comparable)

  1. having the properties of collecting water
    • 1864, Reports from Commissioners by House of Commons, Parliament, Great Britain
      Do you think that there ought to be some board or some authority for each catchment basin, which must be appointed with adequate powers to prevent the pollution of streams?
    • 1889, Parliamentary Papers, House of Commons and Command, Volume 9
      Now let us come to this point: you are quite clear that serious evil exists in this union of navigation and drainage [...] And you are also clear that one obstacle is the taxation of the catchment area[...]?
    • 1890, Special Committee on the Irrigation and Reclamation of Arid Lands, United States Senate
      The catchment area is the slope of a great mountain range covered with fine forests, and there are many good reservoir sites.
    • 1998, Isotope Tracers in Catchment Hydrology (preface) by C. Kendall and J.J. McDonnell
      Catchment hydrology is more than just the study of water, or rocks, or biota -- it encompassses the physical and biogeochemical interactions that control the hydrology and biogeochemistry of the system.