placebo
placebo
[pləˈsiːbəʊ]
(pl. -os)
[pləˈsiːbəʊ]
(pl. -os)
- a pill, medicine, or procedure prescribed more for the psychological benefit to the patient of being given a prescription than for any physiological effect
（给病人提供心理作用的）安慰剂
■a substance that has no therapeutic effect, used as a control in testing new drugs
（用于检测新药的）无效对照剂
■(figurative)a measure designed merely to calm or please someone
(喻)安慰措施；宽慰措施
- late 18th cent.: from Latin, literally I shall be acceptable or pleasing', from placere 'to please'
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