Dictionary.com
Thesaurus.com
Synonyms

diagnostic

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

adjective

  1. of, relating to, or used in diagnosis.

  2. serving to identify or characterize; being a precise indication.


noun

  1. diagnosis.

  2. a symptom or characteristic of value in diagnosis.

  3. Medicine/Medical. a device or substance used for the analysis or detection of diseases or other medical conditions.

  4. Computers.

    1. a message output by a computer diagnosing an error in a computer program, computer system, or component device.

    2. a program or subroutine that produces such messages.

diagnostic British  
/ ˌdaɪəɡˈnɒstɪk /

adjective

  1. of, relating to, or of value in diagnosis

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. med any symptom that provides evidence for making a specific diagnosis

  2. a diagnosis

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • diagnostically adverb
  • postdiagnostic adjective
  • prediagnostic adjective

Etymology

Origin of diagnostic

1615–25; < Greek diagnōstikós, equivalent to diagnōst ( ós ) distinguished (akin to diágnōsis; diagnosis ) + -ikos -ic

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.

It is shifting to create new opportunities, CEO Andrew Dudum touted a handful of recent initiatives including the launch of Labs, a diagnostic and health monitoring platform.

From Barron's

CEO Andrew Dudum touted a handful of recent initiatives including the launch of Labs, a diagnostic and health monitoring platform.

From Barron's

The key diagnostic feature of PoTS is a persistent and abnormal increase in heart rate after assuming an upright posture.

From BBC

Speeding up data analysis could improve diagnostic tools for preterm birth -- the leading cause of newborn death and a major contributor to long term motor and cognitive challenges in children.

From Science Daily

Increasingly, the clinical evaluation itself is treated as a procedural hurdle rather than a diagnostic process.

From The Wall Street Journal