Definitions for placebopləˈsi boʊ for 1; plɑˈtʃeɪ boʊ for 2
Random House Webster's College Dictionary
pla•ce•bopləˈsi boʊ for 1; plɑˈtʃeɪ boʊ for 2(n.)(pl.)-bos, -boes.
a substance having no pharmacological effect but given to placate a patient who supposes it to be a medicine. a pharmacologically inactive substance or a sham procedure administered as a control in testing the efficacy of a drug or course of action.
Category: Medicine, Pharmacology
the vespers for the office of the dead.
Origin of placebo:
1175–1225; ME < L placēbō I shall be pleasing, acceptable
an innocuous or inert medication; given as a pacifier or to the control group in experiments on the efficacy of a drug
(Roman Catholic Church) vespers of the office for the dead
A dummy medicine containing no active ingredients; an inert treatment.
Anything of no real benefit which nevertheless makes people feel better.
Origin: From placebo, the first-person singular future active indicative of placeo.
the first antiphon of the vespers for the dead
a prescription intended to humor or satisfy