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BNC: 38007 COCA: 20430
BNC: 38007 COCA: 20430

confirmatory

adjective

con·​fir·​ma·​to·​ry kən-ˈfər-mə-ˌtȯr-ē How to pronounce confirmatory (audio)
: serving to confirm : corroborative
a confirmatory test

Example Sentences

a confirmatory test for pregnancy
Recent Examples on the Web In their complaints, the women said they were reported to child welfare agencies without being granted a second, confirmatory test, and that investigations were opened based solely off the hospital’s reporting. Anne Branigin, Washington Post, 2 July 2022 If positive, then a confirmatory Western blot test should be performed. BostonGlobe.com, 3 June 2022 Out of 360 Abbott test results checked through Friday, one negative test came back positive during confirmatory testing, Jilly said. USA TODAY, 28 May 2020 Despite the existing tests for diagnostic and prognostic biomarkers, few patients in the U.S. have been tested with these confirmatory tests because of cost and access restrictions. Howard M. Fillit, Scientific American, 1 Feb. 2019 The first assay is Rs1,500 ($20) and subsequent, confirmatory assays can cost another Rs3,000. Ananya Bhattacharya, Quartz India, 17 Mar. 2020 The White House is aware of public reports that a member of the Brazilian delegation‘s visit to Mar-a-Lago last weekend tested positive for COVID-19; confirmatory testing is pending. Madison Dibble, Washington Examiner, 13 Mar. 2020 Although a dozen states are capable of testing for coronavirus infection, confirmatory tests must still be done by the C.D.C., a process that can take days. Roni Caryn Rabin, New York Times, 10 Mar. 2020 The presumptive positive result came from a sample tested by the New Jersey Department of Health and is now being submitted to the U.S. Centers for Disease Control and Prevention for confirmatory testing. Morgan Winsor, ABC News, 5 Mar. 2020 See More

Word History

First Known Use

1636, in the meaning defined above

Time Traveler
The first known use of confirmatory was in 1636
BNC: 38007 COCA: 20430

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