diagnostic

adjective
di·​ag·​nos·​tic | \ -ˈnäs-tik How to pronounce diagnostic (audio) \
variants: or less commonly diagnostical \ -​ti-​kəl How to pronounce diagnostical (audio) \

Definition of diagnostic

 (Entry 1 of 2)

1a : of, relating to, or used in diagnosis a diagnostic tool
b : using the methods of or yielding a diagnosis diagnostic tests
2 : serving to distinguish or identify a diagnostic feature

diagnostic

noun

Definition of diagnostic (Entry 2 of 2)

1 : the art or practice of diagnosis often used in plural
2 : a distinguishing mark

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Other Words from diagnostic

Adjective

diagnostically \ -​ti-​k(ə-​)lē How to pronounce diagnostically (audio) \ adverb

Noun

diagnostician \ -​(ˌ)näs-​ˈti-​shən How to pronounce diagnostician (audio) \ noun

Examples of diagnostic in a Sentence

Adjective

Ultrasound is now widely used as a diagnostic tool. One important diagnostic feature of this condition is a mild rash.

Noun

the thesis that moral decline is the infallible diagnostic of a decadent society
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Recent Examples on the Web: Adjective

In addition, there aren’t really any incentives to entice the companies developing these drugs to work with those developing diagnostic technologies. Derek Angus, STAT, "Current efforts to fight sepsis aren’t working. We need a bolder approach," 14 June 2018 Dorman sold the vaccine company and switched to making diagnostic technology. Adam Rogers, WIRED, "The Man Who Says Science Blew Its Best Shot at an AIDS Vaccine," 1 June 2018 That California company overhyped its diagnostic testing technology, and skirted FDA regulations by using its technology (and technology from others) inside its own labs — a loophole that regulators may soon close. Scott Kirsner, BostonGlobe.com, "Turn your bathroom into a medical lab," 6 Apr. 2018 Right now VisualDx, the most popular diagnostic support system, is licensed at more than 1,600 hospitals and clinics across the U.S., according to its manufacturer. Dina Fine Maron, Scientific American, "Sophisticated Digital Aids Could Help Determine What Ails You," 1 Aug. 2017 In addition to being responsible for intervening in the driving of the vehicle, the safety operator is also monitoring diagnostic messages that appear on a digital screen in the center console and tagging events for further review, the NTSB said. Tim Higgins, WSJ, "Uber Self-Driving Car That Struck, Killed Pedestrian Wasn’t Set to Stop in an Emergency," 24 May 2018 Kids of all ages were turning their passions and skills into making education more accessible, creating diagnostic tests for the Ebola virus, inventing alternative power sources, and so much more! Yara Shahidi, Teen Vogue, ""Yes She Can" Is the Yara Shahidi-Approved Collection of Stories From Young Women Staffers of the Obama White House," 14 Jan. 2019 Apple tells me these features are most definitely not diagnostic tools. Dieter Bohn, The Verge, "Apple Watch electrocardiogram and irregular heart rate features are available today," 6 Dec. 2018 Also, the fear of abandonment and unstable personal relationships that are typically inherent to BPD aren’t in the diagnostic criteria for bipolar disorder. Carolyn L. Todd, SELF, "13 Facts Everyone Should Know About Borderline Personality Disorder," 5 Dec. 2018

Recent Examples on the Web: Noun

The West Side facility, on 58th Street and 10th Avenue, will have operating rooms, physician and advanced rehabilitation services and advanced diagnostics. Melanie Grayce West, WSJ, "Hospitals See Opportunity in Bringing Care Facilities to Patients," 3 Jan. 2019 The ThermalXR, mid-priced (of the three phone-mountable devices made by Seek Thermal) at $299, allows a homeowner or contractor a world of possibilities in terms of diagnostics. Andrew Northshield, Popular Mechanics, "Firefighter Reviews New Thermal-Imaging Camera," 21 Nov. 2018 The lack of diagnostics is part of a larger problem, Meng notes. Beth Mole, Ars Technica, "Rat hepatitis jumps to human for first time, spotlighting disease mystery," 2 Oct. 2018 To read more about the bet by Healthineers on a new diagnostics brand, click here Healthineers has pledged to capture faster growth amid a surge in health spending driven by aging populations, increased chronic diseases and greater access to care. Oliver Sachgau, Bloomberg.com, "Siemens Raises $5.2 Billion in German IPO of Health-Care Unit," 15 Mar. 2018 The touch points for the antennas are used for diagnostics. Mark Hachman, PCWorld, "Watch the Qualcomm Snapdragon 855's best new features in action," 6 Dec. 2018 Because diagnostics should be done by — like radiology, for example. Eric Johnson, Recode, "If they don’t want to lose their jobs to a machine, doctors will need to become compassionate ‘human connectors’," 17 Sep. 2018 Optellum, a startup based in the United Kingdom, has created an AI diagnostics system that claims to detect lung cancer in patients earlier than doctors can. Gary Shapiro, WSJ, "Hacking Health Care: How Tech Will Drive Down Costs," 6 Dec. 2018 Bionano’s Saphyr system detects large-scale structural variations in DNA and can be used to uncover drug targets, develop diagnostics and study changes in chromosomes, according to the company. Brian Gormley, WSJ, "Biotech Instrument Maker Bionano Genomics Bucks Trend in $20.6 Million IPO," 21 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'diagnostic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of diagnostic

Adjective

1625, in the meaning defined at sense 1a

Noun

1625, in the meaning defined at sense 1

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Statistics for diagnostic

Last Updated

10 Mar 2019

Look-up Popularity

Time Traveler for diagnostic

The first known use of diagnostic was in 1625

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More Definitions for diagnostic

diagnostic

adjective

English Language Learners Definition of diagnostic

technical : of, relating to, or used in diagnosis : used to help identify a disease, illness, or problem

diagnostic

adjective
di·​ag·​nos·​tic | \ -ˈnäs-tik How to pronounce diagnostic (audio) \
variants: also diagnostical \ -​ti-​kəl How to pronounce diagnostical (audio) \

Medical Definition of diagnostic

 (Entry 1 of 2)

1 : of, relating to, or used in diagnosis
2 : using the methods of or yielding a diagnosis a diagnostic service diagnostic properties

Other Words from diagnostic

diagnostically \ -​ti-​k(ə-​)lē How to pronounce diagnostically (audio) \ adverb

diagnostic

noun

Medical Definition of diagnostic (Entry 2 of 2)

: the art or practice of diagnosis often used in plural

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