placebo effect

[pluh-see-boh]

pla·ce·bo effect

[pluh-see-boh]
noun
a reaction to a placebo manifested by a lessening of symptoms or the production of anticipated side effects.

Origin:
1945–50
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Placebo effect is always a great word to know.
So is quincunx. Does it mean:
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a gadget; dingus; thingumbob.
Collins
World English Dictionary
placebo effect
 
n
med See control group a positive therapeutic effect claimed by a patient after receiving a placebo believed by him to be an active drug

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

placebo effect n.
A beneficial effect in a patient following a particular treatment that arises from the patient's expectations concerning the treatment rather than from the treatment itself.

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