grade /ˈgred/ 名詞
1. A step or degree in any series, rank, quality, order; relative position or standing; as, grades of military rank; crimes of every grade; grades of flour.
They also appointed and removed, at their own pleasure,
teachers of every grade. --Buckle.
2. In a railroad or highway: (a) The rate of ascent or descent; gradient; deviation from a level surface to an inclined plane; -- usually stated as so many feet per mile, or as one foot rise or fall in so many of horizontal distance; as, a heavy grade; a grade of twenty feet per mile, or of 1 in 264. (b) A graded ascending, descending, or level portion of a road; a gradient.
3. Stock Breeding The result of crossing a native stock with some better breed. If the crossbreed have more than three fourths of the better blood, it is called high grade.
At grade, on the same level; -- said of the crossing of a railroad with another railroad or a highway, when they are on the same level at the point of crossing.
Down grade, a descent, as on a graded railroad.
Up grade, an ascent, as on a graded railroad.
Equating for grades. See under Equate.
Grade crossing, a crossing at grade.
Grade, v. t. [imp. & p. p. Graded; p. pr. & vb. n. Grading.]
1. To arrange in order, steps, or degrees, according to size, quality, rank, etc.
2. To reduce to a level, or to an evenly progressive ascent, as the line of a canal or road.
3. Stock Breeding To cross with some better breed; to improve the blood of.
n 1: a body of students who are taught together; "early morning
classes are always sleepy" [syn: class, form]
2: a relative position or degree of value in a graded group;
"lumber of the highest grade" [syn: level, tier]
3: the gradient of a slope or road or other surface; "the road
had a steep grade"
4: one-hundredth of a right angle [syn: grad]
5: a degree of ablaut [syn: gradation]
6: a number or letter indicating quality (especially of a
student's performance); "she made good marks in algebra";
"grade A milk"; "what was your score on your homework?"
[syn: mark, score]
7: the height of the ground on which something stands; "the
base of the tower was below grade" [syn: ground level]
8: a position on a scale of intensity or amount or quality; "a
moderate degree of intelligence"; "a high level of care is
required"; "it is all a matter of degree" [syn: degree,
9: a variety of cattle produced by crossbreeding with a
v 1: assign a rank or rating to; "how would you rank these
students?"; "The restaurant is rated highly in the food
guide" [syn: rate, rank, range, order, place]
2: level to the right gradient
3: assign a grade or rank to, according to one's evaluation;
"grade tests"; "score the SAT essays"; "mark homework"
[syn: score, mark]
4: determine the grade of or assign a grade to