Seems like you're looking for definition 1.b. pla·ce·bo(pl-sb) n. pl. pla·ce·bos or pla·ce·boes1.a. A substance containing no medication and prescribed or given to reinforce a patient's expectation to get well.b. An inactive substance or preparation used as a control in an experiment or test to determine the effectiveness of a medicinal drug.2. Something of no intrinsic remedial value that is used to appease or reassure another. source: http://www.thefreedictionary.com/placebo
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A common imitation substance used in experiments is a placebo, which is an inactive substance or treatment that resembles the real intervention being tested. Placebos are used in clinical trials to help researchers assess the true effects of a new treatment by comparing it to a control group receiving the placebo.
Color imitation is most often seen with the colored television. A color television imitates the human perception and imitation of the human visual system.
An apicide is a substance which is used for killing bees.
Kent, an african American actor, is given a small part ...
The chemical substance which is used to kill pest is called pesticides.
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