proving ground

1. A setting in which an idea or product is tested. You better put this product of yours through the proving ground before you make such bold claims about it publicly.

2. A place at which military equipment is tested. Primarily heard in US. A: "What's that loud sound?" B: "They must be working with some equipment over at the Chester Proving Ground."

See also: ground, prove

See also:

false advertising
get (something) on the market
get (something) to market
bring (something) to market
break fresh/new ground
break new ground
be sought after
be riding high
be fresh out of
be fresh out of something

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