Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
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.
[1913 Webster]
2. (Med.) A prescription with no pharmacological activity
given to a patient to humor or satisfy the desire for
medical treatment.
[1913 Webster]
3. (Med.) a dose of a compound having no pharmacological
activity given to a subject in a medical experiment as
part of a control experiment in a test of the
effectiveness of another, active pharmacological agent.
[PJC]
{To sing placebo}, to agree with one in his opinion; to be
complaisant to. --Chaucer.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
placebo
n 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
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