- Imitation; said of a disease or symptom that resembles another, or of the feigning of illness as in factitious illness or malingering.
- In radiation therapy, use of a geometrically similar radiographic system or computer to plan the location of therapy ports.
[L. simulatio, fr. simulo, pp. -atus, to imitate, fr. similis, like]
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Examples: glitazone, GI cocktail, etc.