Term: air pollution: pollution of the atmosphere
Candidate hypernym: abstraction: a general concept formed by extracting common features from specific examples → 1
Candidate hypernym: danaea: fairly small terrestrial ferns of tropical America → 0
Candidate hypernym: crystal: a protective cover that protects the face of a watch → 0
Candidate hypernym: bun: small rounded bread either plain or sweet → 0
Candidate hypernym: sour dock: European sorrel with large slightly acidic sagittate leaves grown throughout north temperate zone for salad and spring greens → 0
Candidate hypernym: small change: a trifling sum of money → 0
Candidate hypernym: hinging post: the gatepost on which the gate is hung → 0
Candidate hypernym: rift valley: a valley with steep sides; formed by a rift in the earth's crust → 0
Candidate hypernym: rock opera: albums of rock music that aspired to the status of art; first appeared in the 1960s → 0
Candidate hypernym: unleaded gasoline: gasoline that has not been treated with a lead compound → 0
Candidate hypernym: mako: powerful mackerel shark of the Atlantic and Pacific → 0