proving ground


Definition of proving ground

1 : a place for scientific experimentation or testing (as of vehicles or weapons)
2 : a place where something is developed or tried out

Examples of proving ground in a Sentence

Recent Examples on the Web

More than 200 people witnessed the teams compete across the 32-obstacle proving ground. Vincent T. Davis,, "Airmen, soldiers and sailors competed in San Antonio against each other in the 2nd annual Alpha Warrior Inter-Service Battle.," 14 Sep. 2019 Those planets will be TESS' proving grounds in terms of its formal requirements and will help scientists understand how small rocky planets are formed. Meghan Bartels,, "New NASA Planet Hunter May Find 10,000 Alien Worlds in Just Two Years," 8 Aug. 2018 The culmination of EcoCAR 3 involved several days of testing at GM's proving grounds in Yuma, Arizona, followed by a track-day event held at the Auto Club Speedway in California. Jonathan M. Gitlin, Ars Technica, "These clever students have turned the Camaro into a hybrid sports car," 25 May 2018 The picturesque and historic Packard proving grounds will celebrate the test track’s 90th anniversary with an exceptional array of classic vehicles for a car show June 10 and an evening gala June 14. Mark Phelan, Detroit Free Press, "Historic cars flock to 90th anniversary of Packard proving ground," 30 May 2018 In experiments on a closed high-speed test track at Ford’s proving grounds adaptive cruise, or ACC, the tail car in each lane slowed by just 5 mph, rather than coming to a complete stop when each driver braked manually. Mark Phelan, Detroit Free Press, "Zipper merge will upset other drivers. Why you should do it anyway.," 6 July 2018 The combination of playing and managerial talent means the Premier League has become world soccer’s foremost proving ground. Jonathan Clegg, WSJ, "The Premier League’s World Cup Takeover," 8 July 2018 That site is one of 10 officially designated autonomous vehicle proving grounds identified by the US Department of Transportation in 2017 to help set the direction of policy-making and testing procedures going forward. Andrew J. Hawkins, The Verge, "Toyota will test self-driving car ‘edge cases’ at new proving ground in Michigan," 3 May 2018 This is proving ground for Lowry and DeRozan after fading in past postseasons, including Toronto's 10-game losing streak in series openers. Paul Coro,, "NBA playoff preview: LeBron James and the Cleveland Cavaliers must shut up the doubters once again," 13 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'proving ground.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of proving ground

circa 1890, in the meaning defined at sense 1

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Statistics for proving ground

Last Updated

26 Sep 2019

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Time Traveler for proving ground

The first known use of proving ground was circa 1890

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More Definitions for proving ground

proving ground


English Language Learners Definition of proving ground

: a place where things or people are tested or tried out for the first time
: a place where scientific testing is done

More from Merriam-Webster on proving ground

Rhyming Dictionary: Words that rhyme with proving ground Encyclopedia article about proving ground

Comments on proving ground

What made you want to look up proving ground? Please tell us where you read or heard it (including the quote, if possible).


to wander slowly or to speak indistinctly

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