A Grade

1. A rating.
2. (chiefly Canada, US) The performance of an individual or group on an examination or test, expressed by a number, letter, or other symbol; a score.
3. A degree or level of something; a position within a scale; a degree of quality.
4. A slope (up or down) of a roadway or other passage
5. (Canada, US, education) A level of primary and secondary education.
6. (Canada, education) A student of a particular grade (used with the grade level).
7. An area that has been flattened by a grader (construction machine).
8. The level of the ground.
9. (mathematics) A gradian.
10. (geometry) In a linear system of divisors on an n-dimensional variety, the number of free intersection points of n generic divisors.
11. A harsh scraping or cutting; a grating.
12. (systematics) A taxon united by a level of morphological or physiological complexity that is not a clade.
13. (medicine) The degree of malignity of a tumor expressed on a scale.

SynonymsEdit

• (taxon that is not a clade): paraphyletic group