1. (Tools) a piece of equipment for measuring the hardness of a material, in particular plastic or rubber. 2. (Units) the measurement of the hardness of a material, in particular plastic or rubber.
The DSM-5 was published on May 18, 2013, superseding the DSM-IV-TR, which was published in 2000.
But 15 years ago, another bold experiment in stereoscopic 3-D gaming by Nintendo turned out to be the companyâs least-successful game system ever. Nintendo released its ill-fated Virtual Boy in the United States on Aug. 14, 1995. The system, which was housed in a red visor and stood on a collapsible metal stand, was unlike any other game machine consumers had seen.