| pharmacotherapy | Treatment of disease by means of drugs. See: chemotherapy. Origin: pharmaco-+ G. Therapeia, therapy (05 Mar 2000) |
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| public opinion | The attitude of a significant portion of a population toward any given proposition, based upon a measurable amount of factual evidence, and involving some degree of reflection, analysis, and reasoning. (12 Dec 1998) |
| expert system | Expert systems are computer programs designed to simulate the problem-solving behaviour of human experts within very narrow domains or scientific disciplines (entomology, plant pathology, etc.). This discipline is a sub-set of Artificial Intelligence. See: artificial intelligence. Synonym: knowledge-based systems (13 Jan 1998) |
| expert systems | Computer programs based on knowledge developed from consultation with experts on a problem, and the processing and/or formalizing of this knowledge using these programs in such a manner that the problems may be solved. (12 Dec 1998) |
| expert testimony | Presentation of pertinent medical data by a qualified medical specialist before a court. (12 Dec 1998) |