Meaning of DIAGNOSTIC in English

I. -ˈnäs-tik adjective

also di·ag·nos·ti·cal -ti-kəl

Date: 1625


a. : of, relating to, or used in diagnosis

a diagnostic tool

b. : using the methods of or yielding a diagnosis

diagnostic tests

2. : serving to distinguish or identify

a diagnostic feature

• di·ag·nos·ti·cal·ly -ti-k(ə-)lē adverb

II. noun

Date: 1625

1. : the art or practice of diagnosis — often used in plural

2. : a distinguishing mark

• di·ag·nos·ti·cian -(ˌ)näs-ˈti-shən noun

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.