- The presence of an infectious agent on a body surface; also on or in clothes, bedding, toys, surgical instruments or dressings, or other inanimate articles or substances including water, milk, and food, or that infectious agent itself.
- In epidemiology, the situation that exists when a population being studied for one condition or factor also possesses other conditions or factors that modify results of the study.
- Freudian term for a fusion and condensation of meanings of words, percepts, or motivations for behavior.
- The presence of foreign material that adulterates or renders impure a material the composition of which is thereby degraded.
[L. contamino, pp. -atus, to stain, defile]
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Examples: glitazone, GI cocktail, etc.