Term: impurity: worthless or dangerous material that should be removed
Candidate hypernym: material: the tangible substance that goes into the makeup of a physical object → 1
Candidate hypernym: limited company: a company that is organized to give its owners limited liability → 0
Candidate hypernym: roost: a shelter with perches for fowl or other birds → 0
Candidate hypernym: phalangida: harvestmen → 0
Candidate hypernym: macho: a male exhibiting or characterized by machismo → 0
Candidate hypernym: antheridiophore: gametophore bearing antheridia as in certain mosses and liverworts → 0
Candidate hypernym: tandem trailer: trucking rig with two trailers in tandem → 0
Candidate hypernym: paraquat: a poisonous yellow solid used in solution as a herbicide → 0
Candidate hypernym: sapropel: sludge (rich in organic matter) that accumulates at the bottom of lakes or oceans → 0
Candidate hypernym: nitrazepam: a hypnotic and sedative drug of the benzodiazepine type → 0
Candidate hypernym: pipe rack: a rack for holding a smoker's pipes → 0