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.

(Gra*da"tion) n., [L. gradatio: cf. F. gradation. See Grade.]

1. The act of progressing by regular steps or orderly arrangement; the state of being graded or arranged in ranks; as, the gradation of castes.

2. The act or process of bringing to a certain grade.

3. Any degree or relative position in an order or series.

The several gradations of the intelligent universe.
I. Taylor.

4. (Fine Arts) A gradual passing from one tint to another or from a darker to a lighter shade, as in painting or drawing.

6. (Mus.) A diatonic ascending or descending succession of chords.

(Gra*da"tion), v. t. To form with gradations. [R.]

(Gra*da"tion*al) a. By regular steps or gradations; of or pertaining to gradation.

(Grad"a*to*ry) a. [See Grade.]

1. Proceeding step by step, or by gradations; gradual.

Could we have seen [Macbeth's] crimes darkening on their progress . . . could this gradatory apostasy have been shown us.
A. Seward.

2. (Zoöl.) Suitable for walking; — said of the limbs of an animal when adapted for walking on land.

(Grad"a*to*ry), n. [Cf. LL. gradatarium.] (Arch.) A series of steps from a cloister into a church.

(Grade) n. [F. grade, L. gradus step, pace, grade, from gradi to step, go. Cf. Congress, Degree, Gradus.]

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.

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.

  By PanEris using Melati.

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