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[kuh n-suhl-tnt] /kənˈsʌl tnt/
a person who gives professional or expert advice:
a consultant on business methods.
a person who consults someone or something.
Origin of consultant
1690-1700; (< F) < Latin consultant- (stem of consultāns, present participle of consultāre). See consult, -ant Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for consultant


  1. a senior physician, esp a specialist, who is asked to confirm a diagnosis or treatment or to provide an opinion
  2. a physician or surgeon holding the highest appointment in a particular branch of medicine or surgery in a hospital
a specialist who gives expert advice or information
a person who asks advice in a consultation
Derived Forms
consultancy, noun
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
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Word Origin and History for consultant

1690s, of persons going to oracles, from consult + -ant. Of physicians, from 1878; meaning "one qualified to give professional advice" is first attested 1893 in a Sherlock Holmes story. Related: Consultancy (1955).

Online Etymology Dictionary, © 2010 Douglas Harper
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consultant in Medicine

consultant con·sult·ant (kən-sŭl'tənt)

  1. A physician or surgeon who does not take actual charge of a patient, but acts in an advisory capacity to the patient's primary physician.

  2. Such a member of a hospital staff who may advise the attending physician or surgeon.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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