say it: dahy-uhg-NAH-stik
diagnostic is an adjective meaning "concerned with diagnosis; used for furthering diagnosis". It carries 2 recorded senses.
concerned with diagnosis; used for furthering diagnosis
“a diagnostic reading test”
characteristic or indicative of a disease
“a diagnostic sign of yellow fever”
“a rash symptomatic of scarlet fever”
“symptomatic of insanity”
“a rise in crime symptomatic of social breakdown”
Definitions, synonyms and semantic relations for diagnostic come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.