diagnostic

adjective
di·ag·nos·tic | \-ˈnäs-tik \
variants: or less commonly diagnostical \-ti-kəl \

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 \ adverb

Noun

diagnostician \-(ˌ)näs-ˈti-shən \ 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

The only behavior classified as an addiction in the American Psychiatric Association’s diagnostic manual is compulsive gambling. Washington Post, "Science Says: What makes something truly addictive," 21 June 2018 The current psychiatric diagnostic manual has abandoned hypochondria as a disorder, replacing it in 2013 with two new concepts: somatic symptom disorder and illness anxiety disorder. New York Times, "A New Approach to Treating Hypochondria," 18 June 2018 The American Psychiatric Association added the term to its diagnostic manual in 2013 to distinguish between the condition of being transgender and symptoms that arise from distress over being transgender. Emanuella Grinberg, CNN, "What is medically necessary treatment for gender-affirming health care?," 31 May 2018 The operating rooms are big — 300 square feet each, with ample empty space surrounding the operating table, anesthesiology equipment, various light and power sources and diagnostic equipment, and flat-screen monitors. Ron Hurtibise, Sun-Sentinel.com, "Cleveland Clinic readies new $53 million Coral Springs Family Health Center," 13 July 2018 The center — one of six U.S. sites participating in the trial — is seeking toddlers ages 16 to 30 months to test the effectiveness of eye-tracking technology as a diagnostic tool. Maria Polletta, azcentral, "Could a Phoenix center's research change how autism is diagnosed?," 2 July 2018 Media: Wibbitz There is no diagnostic test for the virus, which is carried by a species of mosquito — Aedes atlanticus, a cousin of Aedes aegypti — found mostly near water and wooded areas. Todd Ackerman, Houston Chronicle, "Texas officials downplay health threat from little-known mosquito-borne virus that caused symptoms in teen," 23 June 2018 Laboratories around the world are therefore experimenting with GC-MS as a non-invasive diagnostic tool to identify many illnesses, painlessly and in a timely manner. Andrea Soltoggio, Smithsonian, "Artificial Intelligence May Be Able To Smell Illnesses in Human Breath," 12 June 2018 The project would include an urgent care center and an imaging diagnostic facility on the ground floor. Lisa J. Huriash, Sun-Sentinel.com, "Hallandale Beach may get 8-story medical building," 12 July 2018

Recent Examples on the Web: Noun

That’s what’s behind all the cartridges, containers, and cards lots of diagnostics companies use. Adam Rogers, WIRED, "Theranos Didn't Nuke the Diagnostics Business," 15 Mar. 2018 Top biotech investors had licensed some of its research to launch a high-profile cancer diagnostic and therapeutics company, backed by more than $80 million. Andrew Joseph, STAT, "Houston aspires to become the ‘third coast’ of biotech. Can it pull it off?," 29 Mar. 2018 Animal-health company Zoetis Inc. ZTS -0.20% has agreed to buy Abaxis Inc., ABAX 16.15% a maker of veterinary-diagnostics equipment, in a deal valued at about $2 billion. Allison Prang, WSJ, "Zoetis to Buy Veterinary-Diagnostics Company Abaxis for $2 Billion," 16 May 2018 View 39 Photos An all-new trailering app does the thinking for drivers with a pre-departure checklist, maintenance reminders, a trailer-light test, trailer electrical diagnostics, temperature monitoring, and trailer tire-pressure readouts. Car and Driver, "2019 GMC Sierra Revealed: Diesel Power and a Carbon-Fiber Bed," 1 Mar. 2018 And many poor countries are in desperate need of basic diagnostics and surveillance capabilities, enabling them to detect an outbreak as early as possible gives them an opportunity to quickly respond. Seth Berkley, STAT, "Do we keep waiting for the next pandemic or try to prevent it?," 14 June 2018 Daimler said a function in the onboard diagnostics system prevents overdosing of the AdBlue fluid in nonstandard operating conditions, such as the use of biofuels. BostonGlobe.com, "Emissions issues plague Daimler truck engines," 9 July 2018 Over time, Google could license these systems to clinics, or sell them through the company's cloud-computing division as a sort of diagnostics-as-a-service. Mark Bergen, ajc, "Google is training machines to predict when a patient will die," 23 June 2018 Over time, Google could license these systems to clinics or sell them through the company’s cloud-computing division as a sort of diagnostics-as-a-service. Mark Bergen, latimes.com, "Google is training machines to predict when a patient will die," 18 June 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

6 Oct 2018

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

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

diagnostic

adjective
di·ag·nos·tic | \-ˈnäs-tik \
variants: also diagnostical \-ti-kəl \

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 \ 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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