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Pronunciation: grad


  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.

[L. gradus, step]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.