Term: black opal: a dark colored opal with internal reflections of green or red
Candidate hypernym: opal: a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones → 1
Candidate hypernym: geothermal energy: energy derived from the heat in the interior of the earth → 0
Candidate hypernym: spotted salamander: glossy black North American salamander with yellow spots → 0
Candidate hypernym: sparkle: merriment expressed by a brightness or gleam or animation of countenance → 0
Candidate hypernym: market analyst: an analyst of conditions affecting a market (especially the stock market) → 0
Candidate hypernym: taxus: yews → 0
Candidate hypernym: climate: the weather in some location averaged over some long period of time → 0
Candidate hypernym: macowanites: a stout-stemmed genus of fungus belonging to the family Secotiaceae having fruiting bodies that never expand completely → 0
Candidate hypernym: bunkmate: someone who occupies the same sleeping quarters as yourself → 0
Candidate hypernym: uncertainty principle: (quantum theory) the theory that it is impossible to measure both energy and time (or position and momentum) completely accurately at the same time → 0
Candidate hypernym: song and dance: theatrical performance combining singing and dancing → 0