placebo
pla·ce·bo
noun \plə-ˈsē-(ˌ)bō\ plural pla·ce·bos
Definition of PLACEBO
1
a : a usually pharmacologically inert preparation prescribed more for the mental relief of the patient than for its actual effect on a disorder b : an inert or innocuous substance used especially in controlled experiments testing the efficacy of another substance (as a drug)
2
: something tending to soothe
Origin of PLACEBO
Latin, I shall please
First Known Use: 1785
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