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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:

It reported better-than-expected sales in its imaging and precision-therapy segments, while its diagnostics business missed forecasts, the analysts say.

From The Wall Street Journal ● Nov. 6, 2026

Idexx Laboratories reported strong growth in veterinary diagnostics, offsetting sluggish industry demand.

From Barron's ● Nov. 2, 2026

Meanwhile, the group’s diagnostics division posted a 5% rise in quarterly sales, with demand for core lab and pathology systems offsetting a hit from China’s healthcare-pricing reforms.

From The Wall Street Journal ● Oct. 22, 2026

Synnovis is diagnostics and pathology service which operates as a partnership between the hospitals and German company Synlab.

From BBC ● Oct. 16, 2026

Physician recommended diagnostics and referred to specialist for ruling out infection or cancer.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot

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