Wiktionary
n. (proving ground English)
Usage examples of "proving grounds".
He'd been a young lieutenant at Dugway Proving Grounds when they'd had the well-publicized accident with GB, a persistent nerve agent that had blown too far and slaughtered a few hundred sheep-and neurotoxins were not a pretty death, even for sheep.
It was time he would have had to use on things of secondary importance anyway, while Michel and the latest refinement of the equipment were being melded for the first tests at the proving grounds.
The worst of it is he is in possession of our experimental arsenal and proving grounds—.
A network of chunnel-sized air ducts as vast and unfathomable as the global Internet ramifies through the thick walls and ceilings of the hotel and makes dim, attenuated noises that suggest that hidden deep within that system are jet engine proving grounds, Iron Age smithys, wretched prisoners draped with clanging chains, and writhing clumps of snakes.
As a consultant for certain very secret Department of Defense projects at Nellis proving grounds, he was a big platinum god with the Pentagon too.
Robin Wednesbury was in protective confinement in Mercy Hospital near the Iron Mountain Proving Grounds.
Jiana strode towards the proving grounds and heard the girl's timid footsteps behind her.
The Army's got a priority missile convoy moving out of the Aberdeen Proving Grounds bound for the west coast tonight at 1800 hours.
The testing was conducted in Maryland, at the Aberdeen Proving Grounds.