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Definitions

diagnostic

[dahy-uhg-nos-tik] / ˌdaɪ əgˈnɒs tɪk /


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.

Service companies often reject the suggestion that diagnostic or investigation fees are simply a form of upselling.

From MarketWatch • Jun. 10, 2026

They say better surveillance, faster diagnostic tools, and more advanced water treatment technologies are needed to reduce the risk before infections happen.

From Science Daily • Jun. 6, 2026

This outbreak wasn’t detected earlier because of a combination of diagnostic and security challenges.

From The Wall Street Journal • Jun. 3, 2026

The three-page memo provides an overview of Trump's physical examination and diagnostic testing, in which Barbabella concludes that the leader is "fully fit to carry out all duties of the Commander-in-Chief and Head of State."

From Barron's • May 30, 2026

In keeping with almost universally accepted practice at the time, physicians and other scientists at Hopkins and elsewhere did not seek permission to use tissue removed as part of diagnostic and treatment procedures.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot




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