Added 9 October 2026
diagnostic
/daɪ.əɡˈnɒs.tɪk/ adjective
adjective Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about diagnostic at Wordnik → Where our words come from →
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Concerned with diagnosis; used for furthering diagnosis.
a diagnostic reading test
-
Characteristic or indicative of a disease.
a diagnostic sign of yellow fever
Origin
From Ancient Greek διαγνωστικός (diagnōstikós), adjective from διαγιγνώσκω (diagignṓskō, “to distinguish, diagnose”).
From Wiktionary, via Kaikki.org (CC BY-SA)