A proving ground is the US name for a military installation or reservation where weapons or other military technology are experimented with or are tested, or where military tactics are tested. The usual British term is training area.
While these types of facilities are usually military or government establishments, some civilian industries have their own proving grounds for testing prototypes and new technologies.
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Famous quotes containing the words proving and/or ground:
“One can prove or refute anything at all with words. Soon people will perfect language technology to such an extent that they’ll be proving with mathematical precision that twice two is seven.”
—Anton Pavlovich Chekhov (1860–1904)
“If you are looking down while you are walking it is better to walk up hill the ground is nearer.”
—Gertrude Stein (1874–1946)