Filter bed and Filter

Filter bed noun - Filter consisting of a layer of sand or gravel for filtering water.

Filter and filter bed are semantically related. In some cases you can use "Filter" instead a noun phrase "Filter bed".

Filter noun - Device that removes something from whatever passes through it.

Filter bed and filter are semantically related. Sometimes you can replace phrase "Filter bed" with "Filter", this terms are similar.

Nearby Words: filtered, filtering, filtration, filterable