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filter bed |
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filter bed [′fil·tər ‚bed]
(civil engineering) A fill of pervious soil that provides a site for a septic field. (engineering) A contact bed used for filtering purposes. filter bed A bed of gravel, sand, or the like used to filter water or sewage; also see sand filter. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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