Pronunciation: dem'on-stra'tor, -tor
Definition: An assistant to a professor of anatomy, surgery, or other discipline, who prepares for the lecture by dissections or collection of patients, or who instructs small classes supplementary to the regular lectures; a demonstrator corresponds in a general way to the Dozent in a German university.
[L. de-monstro, pp. -atus, to point out]
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Examples: glitazone, GI cocktail, etc.