Placebo - Dictionary Definition and Overview

Placebo :  (noun)
1: an innocuous or inert medication; given as a pacifier or to the control group in experiments on the efficacy of a drug
2: (Roman Catholic Church) vespers of the office for the dead

Based on WordNet 2.0

Placebo : \Pla*ce"bo\, n. [L., I shall please, fut. of placere to please.] 1. (R. C. Ch.) The first antiphon of the vespers for the dead.

2. (Med.) A prescription intended to humor or satisfy.

To sing placebo, to agree with one in his opinion; to be complaisant to. --Chaucer.

Based on Webster's Revised Unabridged Dictionary

Placebo :  Placebo: A "sugar pill" or any dummy medication or treatment.



For example, in a controlled clinical trial, one group may be given a real medication while another group is given a placebo that looks just like it in order to learn if the differences observed are due to the medication or to the power of suggestion. Placebos are widely used in drug trials.



Based on Webster's Revised Unabridged Dictionary (1913)

Example Usage of Placebo

riopLuR: Placebo hrg tkt udh 600rb hr ini..pas bln februari dtg brp ya??
ricardomalta: Baixando Ramones, Donnas e Placebo. PreguiƧa de dormir...
kolorsbyIRF: This, now. - Placebo's 'Ashtray Heart' - http://www.youtube.com/watch?v=D1f1suQJGAI
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