-grade


-grade

(word root) walkingExamples of words with the root -grade: plantigrade

-grade

adj combining form indicating a kind or manner of movement or progression: plantigrade; retrograde. [via French from Latin -gradus, from gradus a step, from gradī to walk]

grade

(greɪd)

n., v. grad•ed, grad•ing. n. 1. a degree or step in a scale, as of rank, advancement, quality, value, or intensity. 2. a class of persons or things of the same relative rank, quality, etc. 3. a step or stage in a course or process. 4. a single division of a school classified, usu. by year. 5. the pupils in such a division. 6. grades, elementary school (usu. prec. by the). 7. a letter, number, or other symbol indicating the relative quality of a student's work; mark. 8. a classification or standard of food based on quality, size, etc.: grade A milk. 9. inclination with the horizontal of a road, railroad, etc.; slope. 10. the level at which the ground intersects the foundation of a building. 11. an animal resulting from a cross between a parent of ordinary stock and one of a pure breed. v.t. 12. to arrange in a series of grades; class; sort: a machine that grades eggs. 13. to determine the grade of. 14. to assign a grade to (a student's work); mark. 15. to cause to pass by degrees, as from one color or shade to another. 16. to reduce to a level or to practicable degrees of inclination: to grade a road. 17. to cross (an ordinary or low-grade animal) with an animal of a pure or superior breed. v.i. 18. to incline; slant or slope. 19. to be of a particular grade or quality. 20. to pass by degrees, as from one color or shade to another; blend. Idioms: 1. at grade, on the same level: a railroad crossing a highway at grade. 2. make the grade, to attain a specific goal; succeed. 3. up to grade, of the desired or required quality. [1505–15; < French: office < Latin gradus step, stage, degree, derivative of gradī to go, step, walk] grad′a•ble, adj.

-grade

a combining form meaning “walking, moving,” in the manner or by the means specified by the initial element: plantigrade. [< Latin -gradus, comb. form representing gradus step or gradī to walk. See grade, gradient]