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n placebo | n [plə'si:bəu] adj.
gen. プラセボ; プラシーボ; 偽薬; 擬薬; 気休め薬
 English thesaurus
placebo [plə'si:bəu] adj.
med. An inactive drug or other intervention that is identical in appearance to a therapeutically active drug. In some clinical trials, researchers compare the effects of a placebo with those of an active drug under investigation to determine if the active investigational drug is effective. see also placebo-controlled trial, placebo effect