Term: platinum black: a fine black powder of platinum; used as a catalyst in chemical reactions
Candidate hypernym: catalyst: (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected → 1
Candidate hypernym: arteriogram: an X ray of an artery filled with a contrast medium → 0
Candidate hypernym: retardant: any agent that retards or delays or hinders → 0
Candidate hypernym: gigabyte: a unit of information equal to 1024 mebibytes or 2^30 (1,073,741,824) bytes → 0
Candidate hypernym: tournament: a series of jousts between knights contesting for a prize → 0
Candidate hypernym: solvating agent: an agent that converts something into a solvate → 0
Candidate hypernym: sheep laurel: North American dwarf shrub resembling mountain laurel but having narrower leaves and small red flowers; poisonous to young stock → 0
Candidate hypernym: acanthurus: type genus of the Acanthuridae: doctorfishes → 0
Candidate hypernym: catch: a cooperative game in which a ball is passed back and forth → 0
Candidate hypernym: wet dream: an erotic dream (usually at night) accompanied by the (nocturnal) emission of semen → 0
Candidate hypernym: diceros: most common species in Africa → 0