noun
: a gray to black brittle powder ZrH 2 used as a getter in vacuum tubes, as a bonding agent for abrasives and ceramics, in powder metallurgy, and in delay-fuse mixtures in flare shells
noun
: a gray to black brittle powder ZrH 2 used as a getter in vacuum tubes, as a bonding agent for abrasives and ceramics, in powder metallurgy, and in delay-fuse mixtures in flare shells
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012