Meaning of “placebo” in the English Dictionary

american-english dictionary

"placebo" in British English

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placebonoun [ C ]

uk /pləˈsiː.bəʊ/ us /pləˈsiː.boʊ/ plural placebos

a substance given to someone who is told that it is a particular medicine, either to make that person feel as if they are getting better or to compare the effect of the particular medicine when given to others:

She was only given a placebo, but she claimed she got better - that's the placebo effect.

something that is given to try to satisfy a person who has not been given the thing they really want:

These small concessions have been made as a placebo to stop the workers making further demands.

(Definition of “placebo” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"placebo" in American English

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placebonoun [ C ]

us /pləˈsi·boʊ/ plural placebos

a substance that is not medicine, but that is given to someone who is told that it is a medicine, used to test the effect of a drug or to please a patient

(Definition of “placebo” from the Cambridge Academic Content Dictionary © Cambridge University Press)