Term: bacteria bed: layer of sand or gravel used to expose sewage effluent to air and the action of microorganisms
Broader: filter: device that removes something from whatever passes through it | Unrelated: abstraction: the act of withdrawing or removing something
Broader: filter: device that removes something from whatever passes through it | Unrelated: eager beaver: an alert and energetic person
Broader: filter: device that removes something from whatever passes through it | Unrelated: deferral: a state of abeyance or suspended business
Broader: filter: device that removes something from whatever passes through it | Unrelated: bollworm: any of various moth caterpillars that destroy cotton bolls
Broader: filter: device that removes something from whatever passes through it | Unrelated: rattan: the stem of various climbing palms of the genus Calamus and related genera used to make wickerwork and furniture and canes
Broader: filter: device that removes something from whatever passes through it | Unrelated: california bluebell: desert plant of southern California with blue or violet tubular flowers in terminal racemes
Broader: filter: device that removes something from whatever passes through it | Unrelated: fathom: (mining) a unit of volume (equal to 6 cubic feet) used in measuring bodies of ore
Broader: filter: device that removes something from whatever passes through it | Unrelated: anathematization: the formal act of pronouncing (someone or something) accursed
Broader: filter: device that removes something from whatever passes through it | Unrelated: lining: the act of attaching an inside lining (to a garment or curtain etc.)
Broader: filter: device that removes something from whatever passes through it | Unrelated: jolly boat: a yawl used by a ship's sailors for general work