- A rank, division, or level on the scale of a value system.
- In cancer pathology, a classification of the degree of malignancy or differentiation of tumor tissue; well, moderately well, or poorly differentiated, and undifferentiated or anaplastic.
- In exercise testing, the measurement of a vertical rise or fall as a percentage of the horizontal distance traveled.
[L. gradus, step]
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Examples: glitazone, GI cocktail, etc.