Placebo Definition

plə-sēbō
placeboes, placebos
noun
A substance that has positive effects as a result of a patient's perception that it is beneficial rather than as a result of a causative ingredient.
American Heritage Medicine
A harmless, unmedicated preparation given as a medicine merely to humor a patient, or used as a control in testing the efficacy of another, medicated substance.
Webster's New World
The first antiphon of the vespers for the dead, beginning with the word placebo.
Webster's New World
Something said or done to win the favor of another.
Webster's New World

(medicine) A dummy medicine containing no active ingredients; an inert treatment. [from 18th c.]

Wiktionary

Other Word Forms of Placebo

Noun

Singular:
placebo
Plural:
placeboes, placebos

Origin of Placebo

  • Latin placēbō I shall please first person sing. future tense of Latin placēre to please plāk-1 in Indo-European roots Sense 3, from Late Latin placēbō I shall please, the first word of the first antiphon of the vespers service (taken from a phrase in the following psalm, placēbō Dominō in regiōne vīvōrum, “I shall please the Lord in the land of the living”)

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin placÄ“bō (“I will please"), the first-person singular future active indicative of placeō (“I please").

    From Wiktionary

Placebo Sentence Examples

  • A 1998 study of 29,133 male smokers in Finland showed 32% less cases of prostate cancer and 40% less deaths from prostate cancer among men who took vitamin E to prevent lung cancer compared to men who took a placebo.

  • Research results on the efficacy of St. John's wort have been inconsistent, with some studies finding the herb to be as effective as selective serotonin reuptake inhibitors (SSRIs) and others finding it no more effective than a placebo.

  • The control group took a placebo, while the experimental subjects took the drug that was being tested.

  • Dry mouth, transient rise of serum alanine aminotransferase values and sleeping disorders have been reported more frequently than in patients receiving placebo.

  • Systematic review The review used an extensive search strategy for randomized double blind studies comparing antidepressants with placebo, or with other drug treatments.

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Words Starting With

PPLPLA

Words Ending With

OBOEBO

Unscrambles

placebo

Words Starting With P and Ending With O

Starts With P & Ends With OStarts With PL & Ends With OStarts With P & Ends With BO

Word Length

7 Letter Words7 Letter Words Starting With P7 Letter Words Ending With O