Term: filter bed: filter consisting of a layer of sand or gravel for filtering water
Broader: filter: device that removes something from whatever passes through it | Unrelated: merovingian: a member of the Merovingian dynasty
Broader: filter: device that removes something from whatever passes through it | Unrelated: onycholysis: separation of a nail from its normal attachment to the nail bed
Broader: filter: device that removes something from whatever passes through it | Unrelated: triaenodon: a genus of Triakidae
Broader: filter: device that removes something from whatever passes through it | Unrelated: ischigualastia: early reptile found in Argentina
Broader: filter: device that removes something from whatever passes through it | Unrelated: cloche: a low transparent cover put over young plants to protect them from cold
Broader: filter: device that removes something from whatever passes through it | Unrelated: antheropeas: small genus of North American herbs often included in genus Eriophyllum
Broader: filter: device that removes something from whatever passes through it | Unrelated: funambulism: walking on a tightrope or slack rope
Broader: filter: device that removes something from whatever passes through it | Unrelated: academic department: a division of a school that is responsible for a given subject
Broader: filter: device that removes something from whatever passes through it | Unrelated: viceroyship: the position of viceroy
Broader: filter: device that removes something from whatever passes through it | Unrelated: hypocycloid: a line generated by a point on a circle that rolls around inside another circle