diagnostic

C2+ Topic:Describing Qualities

US /ˌdaɪəɡˈnɑstɪk/ UK /ˌdaɪəɡˈnɒstɪk/ See IPA manual

Meanings

1

adj
relating to the identification of a disease or problem

The clinic ordered a full diagnostic workup for the patient.

Thesaurus

Synonyms

1 adj · relating to the... analytical indicative symptomatic investigative identifying

Word family

Derived forms diagnosticallydiagnosticsdiagnostician

Related forms diagnose diagnosis prognostic

Etymology

From Ancient Greek diagnostikos ('able to distinguish'), from diagignoskein ('to discern, distinguish'), from dia- ('apart') + gignoskein ('to know').

diagnostikos Ancient Greek gignoskein Ancient Greek *ǵneh₃- Proto-Indo-European

View etymology graph ->

Topics

Describing Qualities Word Formation & Derivatives

External links

# diagnostic

**Type:** Word
**Level:** C2+
**Part of speech:** adj
**IPA (US):** /ˌdaɪəɡˈnɑstɪk/
**IPA (UK):** /ˌdaɪəɡˈnɒstɪk/

## Meanings
1. relating to the identification of a disease or problem

## Examples
- The clinic ordered a full diagnostic workup for the patient.

## Synonyms
- analytical
- indicative
- symptomatic
- investigative
- identifying

## Derived Forms
- diagnostically
- diagnostics
- diagnostician

## Related Forms
- diagnose
- diagnosis
- prognostic

## Roots and Affixes
- Root: diagnostikos
- Root: gignoskein
- Root: *ǵneh₃-

## Etymology
From Ancient Greek diagnostikos ('able to distinguish'), from diagignoskein ('to discern, distinguish'), from dia- ('apart') + gignoskein ('to know').

## AI Etymology
Diagnostic is from Ancient Greek diagnostikos ('able to distinguish'), from diagignoskein ('to discern, distinguish'), from dia- ('apart') + gignoskein ('to know'). The ancestry passes through Ancient Greek diagnostikos, Ancient Greek gignoskein, and Proto-Indo-European *ǵneh₃-. In present use as adjective and noun, it means "relating to the identification of a disease or problem", keeping the historical formation close to the word's ordinary semantic work. Related words include diagnose, diagnosis, and prognostic; derived forms include diagnostically, diagnostics, and diagnostician.

## Topics
- Describing Qualities
- Word Formation & Derivatives

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