bioswale

noun bio·swale \ ˈbī-(ˌ)ō-ˌswāl \

Definition of bioswale

plural bioswales
: a long, channeled depression or trench that receives rainwater runoff (as from a parking lot) and has vegetation (such as grasses, flowering herbs, and shrubs) and organic matter (such as mulch) to slow water infiltration and filter out pollutants
  • The new plan for Fordham Plaza is designed to be environment friendly, including such elements in the redesign as bioswales to mitigate storm water runoff, solar panels, and a small wind turbine.
  • New York Construction1 Nov. 2010
  • Planted with vegetation suited to boggy conditions, the bioswales act like miniature wetlands that filter out—and biodegrade—the toxins contained in the runoff.
  • —Anita MarksBusiness Journal-Portland18 Nov. 1994

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Origin and Etymology of bioswale

2bi- + swale


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