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1. (n.) placebo
a substance having no pharmacological effect but given to placate a patient who supposes it to be a medicine.
2. placebo
a pharmacologically inactive substance or a sham procedure administered as a control in testing the efficacy of a drug or course of action.
3. placebo
the vespers for the office of the dead.
Etymology: (1175–1225; ME < L placēbō I shall be pleasing, acceptable)
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| Definition of 'placebo' |
Princeton's WordNet |
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1. (noun) placebo
an innocuous or inert medication; given as a pacifier or to the control group in experiments on the efficacy of a drug
2. (noun) placebo
(Roman Catholic Church) vespers of the office for the dead
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| Definition of 'placebo' |
Webster Dictionary |
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1. (noun) placebo
the first antiphon of the vespers for the dead
2. (noun) placebo
a prescription intended to humor or satisfy
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| Alternative search options for 'placebo' |
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Definitions of placebo 
