Found 1 items, similar to Equating for grades.
English → English (gcide)
Definition: Equating for grades
Grade
\Grade\ (gr[=a]d), 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.
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They also appointed and removed, at their own
pleasure,
teachers of every grade. --Buckle.
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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.
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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.
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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.
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Equate
\E*quate"\, v. t. [imp. & p. p.
Equated; p. pr. & vb.
n.
Equating.] [L. aequatus, p. p. of aequare to make level
or equal, fr. aequus level, equal. See
Equal.]
To make equal; to reduce to an average; to make such an
allowance or correction in as will reduce to a common
standard of comparison; to reduce to mean time or motion; as,
to equate payments; to equate lines of railroad for grades or
curves; equated distances.
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Palgrave gives both scrolle and scrowe and equates both
to F[rench] rolle. --Skeat
(Etymol. Dict.
).
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Equating for grades (Railroad Engin.), adding to the
measured distance one mile for each twenty feet of ascent.
Equating for curves, adding half a mile for each 360
degrees of curvature.
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