diagnostic Meaning in the Cambridge English Dictionary
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Meaning of “diagnostic” in the English Dictionary

"diagnostic" in British English

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diagnosticadjective

/ˌdaɪ.əɡˈnɒs.tɪk/  us /-nɑː.stɪk/

diagnostic adjective (disease)

specialized medical identifying a ​particularillness using a ​combination of ​signs and ​symptoms: a diagnostic ​test Jaundice is diagnostic of ​liverfailure.

diagnostic adjective (problem)

used for making a ​judgment about what a ​particularproblem is: The ​model is a ​useful diagnostic ​tool to ​determine what has the most ​impact on ​employees' ​performance.
(Definition of diagnostic from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"diagnostic" in Business English

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diagnosticadjective

uk   us   /ˌdaɪəɡˈnɒstɪk/
IT, PRODUCTION used for discovering the characteristics or cause of a problem in a ​system or ​machine: Service and ​support on the ​website give ​usersdirectaccess to the same diagnostic ​tools used by the company's ​technicians. diagnostic ​equipment
used for discovering the ​type or cause of an illness or other problem: John is an ​executive with a ​company that ​schedules and ​manages MRIs and other diagnostic ​tests. diagnostic ​information/​questions/​criteria

diagnosticnoun

uk   us   /ˌdaɪəɡˈnɒstɪk/
diagnostics [plural] IT, PRODUCTION methods or ​systems for discovering the cause of a problem, illness, etc.: Requests for off-site ​testing and diagnostics are ​frequently ignored or ​refused without explanation. an ​automated diagnostics ​system
(Definition of diagnostic from the Cambridge Business English Dictionary © Cambridge University Press)
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