placebo

• 名词，指在医学实验中作为对照给病人使用的无活性物质或治疗方法，也指因心理作用而产生疗效的安慰剂。

A noun referring to an inert substance or treatment given to a patient as a control in medical experiments, or used for its psychological effect.

1. Inert substance in medicineB2formalmedical

   An inactive substance or treatment given to a patient, often as a control in clinical trials or to provide psychological relief.

   安慰剂

   • The control group received a placebo instead of the actual drug.
   • Some patients experience a placebo effect, feeling better even with an inactive pill.
   • Doctors sometimes prescribe a placebo to help manage symptoms.

   同义词dummy

2. Religious service for the deadC2formalbritish

   In the Roman Catholic tradition, the vespers of the Office for the Dead.

   安息日课晚祷

   • The monks chanted the placebo for the deceased.
   • The service included the placebo from the Office for the Dead.
   • He attended the placebo held in memory of his grandfather.

   同义词dirgerequiem