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are testing

  • present progressive
    of test.
    test
    noun
    the means by which the presence, quality, or genuineness of anything is determined; a means of trial.

Example Sentences

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Now rising bond yields are testing the stocks that made it all possible.

From MarketWatch Sep. 2, 2026

The researchers are testing whether CAR T cells can seek out these disease-driving B cells even when they are buried deep within body tissues.

From Science Daily Aug. 30, 2026

It’s a niche manufacturing business that caters to enterprising chefs and restaurateurs who are testing a concept or hitting the road for music festivals, farmers markets or a meal break at offices.

From Los Angeles Times Jul. 25, 2026

But beneath the festivities, twin challenges are testing the country's unity.

From BBC Jul. 1, 2026

Whispered: “The Machine is nearly ready. They are testing it on animals now.”

From "The Princess Bride" by William Goldman