dictionary.pt

dictionary.pt

placebo

nounmasculinetechnicalcommon/plɐˈseβu/pla·ce·bo

Definition

1

A substance or treatment with no active therapeutic effect, given to a patient, usually in a clinical trial, for comparison with an active treatment.

Usage examples

Half of the trial participants received the drug, the other half a placebo.
The placebo effect can cause real improvements in symptoms due to patient expectation.

Common combinations

placebo effectplacebo groupadminister a placebo