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placebo

pla·cebo

UK/pləˈsiː.bəʊ/ US/pləˈsi.boʊ/ uncommon

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

Origin

Inherited from Middle English placebo, borrowed from Latin placēbō (“I will please”), the first-person singular future active indicative of placeō (“to please”).

Phrases

  • placebo button
  • placebo effect

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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.