An area or situation in which a person or thing is tested or proved.
- ‘But after looking into the matter, it seems more like the Cambrian Explosion is a proving ground for evolutionary theory.’
- ‘In recent years, sliding-block puzzles have served as proving grounds for novel motion-planning strategies.’
- ‘The Franco-Prussian War was a military proving ground in an age full of uncertainties.’
- ‘ATK funded development and operation of the mechanical spin fixture and provided its proving grounds for spin testing.’
- ‘Of course, no repair job is really ever finished without a test ride, and the snowy micro-tundra that is Summit County, Ohio served as superb proving grounds.’
- ‘The Register will act as a proving ground for existing copyright protection schemes and as a test bed for future technologies.’
- ‘The Mir orbital complex became a flight test range and proving ground for technical solutions and technologies that are now used on the international space station.’
- ‘The teams also have tested three times at the Arizona proving grounds, where the cars run flat out on long, straight stretches, and they spent at least two days per team in the wind tunnel, where aerodynamic data is produced.’
- ‘Like the technologies described above, today's dual-edge platforms will serve as the proving grounds for next-gen services such as CDNs (content distribution networks).’
- ‘They might be racing on a Sunday and a test team might be at the proving grounds at Arizona.’
We take a look at several popular, though confusing, punctuation marks.