test run
noun
an act of trying out a process, piece of equipment, program, etc., to see if it works properly.
test run
1 American
[test ruhn]
/ ˈtɛst ˌrʌn /
noun
-
test runs
plural
test-run
2
American
[test ruhn]
/ ˈtɛst ˌrʌn /
verb (used with object)
test-ran,
test-running
verb (used without object)
test-ran,
test-running
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
In a test run that excluded magnetic fields entirely, the protostars moved farther apart instead of closer together.
From Science Daily ● Jun. 5, 2026
This initial test run left me dreaming of a better version.
From The Wall Street Journal ● May 19, 2026
Costco will let its gold-star members test run becoming an executive member, however.
From MarketWatch ● Mar. 13, 2026
With that date fast approaching, the administration has telegraphed that Cook’s case is a test run for an even more explosive confrontation with Powell.
From Slate ● Jan. 12, 2026
If it works for someone as friendly as him, I might as well give it a test run.
From "Better Nate Than Ever" by Tim Federle
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 Nourse, Alan Edward
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
