placebo

BrE /ˈplɑːsɪbəʊ/ AmE /ˈpleɪsəboʊ/

noun en → es

1 MEDICINE [singular] B2

a pill, liquid, or other substance that has no medical effect but is given to a patient so they think they are being treated with medicine

placebo (medicina)

  • a placebo

Collocations placebo effect · double-blind placebo trial

  • The patient was given a placebo.

    Se le dio un placebo al paciente.

2 SCIENCE [singular] C1

a substance or treatment that has no active ingredients and is used in scientific experiments to test the effectiveness of a real drug or therapy

placebo (experimento)

  • a placebo

Collocations placebo control group · placebo effect in a study

  • The researchers used a placebo to test the new drug.

    Los investigadores utilizaron un placebo para probar la nueva medicina.