1. A rank, division, or level on the scale of a value system.
2. 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.
3. In exercise testing, the measurement of a vertical rise or fall as a percentage of the horizontal distance traveled.
Stedman’s Medical Dictionary © Wolters Kluwer Health. All rights reserved.