Term: black opal: a dark colored opal with internal reflections of green or red
Candidate hypernym: matter: that which has mass and occupies space → 1
Candidate hypernym: artificial blood: a liquid that can carry large amounts of oxygen and can serve as a temporary substitute for blood → 0
Candidate hypernym: stellite: a very hard alloy of cobalt and chromium with cobalt as the principal ingredient; used to make cutting tools and for surfaces subject to heavy wear → 0
Candidate hypernym: moldboard plow: plow that has a moldboard → 0
Candidate hypernym: coureur de bois: a French Canadian trapper → 0
Candidate hypernym: yellow clintonia: common woodland herb of temperate North America having yellow nodding flowers and small round blue fruits → 0
Candidate hypernym: transverse process: one of two processes that extend from each vertebra and provide the point of articulation for the ribs → 0
Candidate hypernym: tapotement: massage in which the body is tapped rhythmically with the fingers or with short rapid movements of the sides of the hand; used to loosen mucus on the chest walls of patients with bronchitis → 0
Candidate hypernym: puddler: a worker who turns pig iron into wrought iron by puddling → 0
Candidate hypernym: communications technology: the activity of designing and constructing and maintaining communication systems → 0
Candidate hypernym: greenery: green foliage → 0