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Synonyms

diagnostics

American  
[dahy-uhg-nos-tiks] / ˈdaɪ əgˈnɒs tɪks /

noun

(used with a singular verb)
  1. the discipline or practice of diagnosis.


diagnostics British  
/ ˌdaɪəɡˈnɒstɪks /

noun

  1. (functioning as singular) the art or practice of diagnosis, esp of diseases

"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

Etymology

Origin of diagnostics

First recorded in 1660–70; see origin at diagnostic, -ics

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.

See Examples For:

In April 2027, UChicago Medicine will open the AbbVie Foundation Cancer Pavilion, Chicago's first freestanding cancer pavilion, to bring advanced diagnostics, innovative treatments, translational discoveries, and comprehensive support to patients and the community.

From Science Daily Aug. 19, 2026

Revenue gains in advanced imaging and pharmaceutical diagnostics offset a 13% decline in GE HealthCare’s patient care solutions segment.

From The Wall Street Journal Jul. 29, 2026

“AI-driven drug discovery, clinical development and diagnostics are beginning to improve productivity across the sector, while life science tools appear to be emerging from a multiyear destocking cycle.”

From MarketWatch Jul. 15, 2026

Synthetic DNA is essential for many areas of modern science and medicine, including diagnostics, genome engineering, and cancer research.

From Science Daily Jul. 9, 2026

I spent the day running full diagnostics on every system in the Hab.

From "The Martian" by Andy Weir

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