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quack

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quack

 [kwak]
one who misrepresents ability and experience in diagnosis and treatment of disease or the effects to be achieved by treatment.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

char·la·tan

(shar'lă-tan),
A medical fraud claiming to cure disease by useless procedures, secret remedies, and worthless diagnostic and therapeutic machines.
Synonym(s): quack
[Fr., fr. It. ciarlare, to prattle]
Farlex Partner Medical Dictionary © Farlex 2012

quack

(kwăk)
n.
1. An untrained person who pretends to be a physician and dispenses medical advice and treatment.
2. A charlatan; a mountebank.
adj.
Relating to or characteristic of a quack: a quack cure.
intr.v. quacked, quacking, quacks
To act as a medical quack or a charlatan.

quack′er·y n.
quack′ish adj.
quack′ish·ly adv.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
adjective Unproven, of doubtful efficacy
noun Charlatan, mountebank. A person who impersonates a physician
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

quack

adjective Unproven, see there. noun Charlatan, montebank A person who impersonates a physician. See Health fraud, Medicine show, Patent medicine, Quackery, Questionable doctor, Unproven methods for cancer management. Cf Alternative medicine.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

char·la·tan

(shahr'lă-tăn)
A medical fraud claiming to cure disease by useless procedures, secret remedies, and worthless diagnostic and therapeutic machines.
Synonym(s): quack.
[Fr., fr. It. ciarlare, to prattle]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

quack

A person fraudulently claiming medical knowledge or skills or attempting to sell fraudulent remedies.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

char·la·tan

(shahr'lă-tăn)
A medical imposter claiming to cure disease by useless procedures, secret remedies, and worthless diagnostic and therapeutic machines.
Synonym(s): quack.
[Fr., fr. It. ciarlare, to prattle]
Medical Dictionary for the Dental Professions © Farlex 2012
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References in periodicals archive
Snyder thought the look was fine, though the `wacky, quacky' image, as the SI On Campus cover describes him, came about after the photographer `told me to be over the top enthusiastic.
The Quacky race will raise thousands of pounds for charity, including WaterAid and the city's St Cuthbert's Hospice as well as helping to light up Durham City this festive season.
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