Term: tennis ball: ball about the size of a fist used in playing tennis
Candidate hypernym: instrumentality: an artifact (or system of artifacts) that is instrumental in accomplishing some end → 1
Candidate hypernym: transaminase: a class of transferases that catalyze transamination (that transfer an amino group from an amino acid to another compound) → 0
Candidate hypernym: soda jerk: someone who works at a soda fountain → 0
Candidate hypernym: frigate: a medium size square-rigged warship of the 18th and 19th centuries → 0
Candidate hypernym: valve: one of the paired hinged shells of certain molluscs and of brachiopods → 0
Candidate hypernym: cardamom: rhizomatous herb of India having aromatic seeds used as seasoning → 0
Candidate hypernym: needle biopsy: biopsy of deep tissue that is obtained through a hollow needle → 0
Candidate hypernym: drollery: a comic incident or series of incidents → 0
Candidate hypernym: stoma: a mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ) → 0
Candidate hypernym: blow: an impact (as from a collision) → 0
Candidate hypernym: rare earth: any element of the lanthanide series (atomic numbers 57 through 71) → 0