Definition of Dummy
Dummy: In science experiments, a substance without any active ingredient, a placebo. In the UK, a pacifier: an artificial nipple, usually made of plastic, upon which an infant can suck.
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=17897
Last Editorial Review: 9/20/2012
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