- A standardized test for measuring psychologic, personality, or behavioral characteristics.
- A small, thin plate of horny epithelium, resembling a fish scale, cast off from the skin.
- To desquamate.
- To remove tartar from the teeth.
- A device by which some property can be measured.
[L. scala, a stairway]
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Examples: glitazone, GI cocktail, etc.