[ dahy-uhg-no-stish-uhn ]

  1. an expert in making diagnoses, especially a medical doctor.

Origin of diagnostician

First recorded in 1865–70; diagnostic + -ian

Words Nearby diagnostician

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use diagnostician in a sentence

  • In this way he is led to erroneous conclusions which the skilled diagnostician has learned from experience to avoid.

    Lameness of the Horse | John Victor Lacroix
  • For example, there is a Dr. Leffingwell on the staff here; he is a diagnostician and has nothing to do with psychotherapy per se.

    This Crowded Earth | Robert Bloch
  • A good diagnostician has in him the material for an immortal police inspector.

    The Blue Wall | Richard Washburn Child
  • I have known bronchitis so severe as to divert in this way the attention of a skilful diagnostician from the primary disease.

British Dictionary definitions for diagnostician


/ (ˌdaɪəɡnɒsˈtɪʃən) /

  1. a specialist or expert in making diagnoses

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