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• test run
  test run

  noun

  an act of trying out a process, piece of equipment, program, etc., to see if it works properly.
• test-run
  test-run

  verb (used with object)

  to try out (a process, pieces of equipment, etc.) to see if it works; do a test run on.

test run

¹ American  

[test ruhn] / ˈtɛst ˌrʌn /

noun

• test runs
  plural

1. an act of trying out a process, piece of equipment, program, etc., to see if it works properly.

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test-run ² American  

[test ruhn] / ˈtɛst ˌrʌn /

verb (used with object)

test-ran, test-running

1. to try out (a process, pieces of equipment, etc.) to see if it works; do a test run on.

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verb (used without object)

test-ran, test-running

1. to undergo a test run or perform in a specified way in a test run.

Other Word Forms

Derived Forms

• test-runner
  noun

Inflected Forms

Nouns

• test runs
  plural

Example Sentences

See Examples For:

test run test-run

It is thought this was a test run for something significantly bigger.

From BBC ● Sep. 4, 2026

The city itself said that electronic voting in the referendum would serve as a test run for the parliamentary vote scheduled for Sept. 18-20.

From The Wall Street Journal ● Aug. 28, 2026

After the test run, Petty concluded that it will take less than 90 days to clean the three skyscrapers that stick out on the city skyline over Crypto.com Arena and the Harbor Freeway.

From Los Angeles Times ● Jul. 23, 2026

In a test run that excluded magnetic fields entirely, the protostars moved farther apart instead of closer together.

From Science Daily ● Jun. 5, 2026

Without anyone giving it a test run ahead of time?

From "The First State of Being" by Erin Entrada Kelly

The test-run footage “is the work of a director with a vision,” says “Capturing Bigfoot” director Marq Evans.

From The Wall Street Journal ● Mar. 12, 2026

It will make Stone’s start on Wednesday part-audition, but also part test-run, in case he’s needed again in the near future because of a potential injury.

From Los Angeles Times ● May 3, 2023

Mr. Mayorkas said officials have had a test-run of that policy since early January, when they announced a program to “parole” migrants from Venezuela, Haiti, Cuba and Nicaragua.

From Washington Times ● Apr. 18, 2023

Meta has started offering it Australia and New Zealand users on a test-run basis, before it rolls it out in other countries including the U.S.

From New York Times ● Mar. 3, 2023

A quick test-run showed that the antibody was also being regenerated.

From Star Surgeon by Alan Edward Nourse

Related Words

• effort
• examination
• experiment
• investigation
• probation
• struggle
• testing