Grader
[grey-der] /ˈgreɪ dər/
noun
1.
a person or thing that .
2.
a pupil of a specified at school:
a fourth grader.
3.
a machine for .
/ˈɡreɪdə/
noun
1.
a person or thing that grades
2.
a machine, either self-powered or towed by a tractor, that levels earth, rubble, etc, as in road construction
n.
1868, of machines; 1870, of persons, agent noun from grade (v.).
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[grey-dee-uh nt] /ˈgreɪ di ənt/ noun 1. the degree of inclination, or the rate of ascent or descent, in a highway, railroad, etc. 2. an inclined surface; grade; ramp. 3. Physics. 4. Mathematics. a differential operator that, operating upon a function of several variables, results in a vector the coordinates of which are the partial […]
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[grey-dee-en-ter] /ˈgreɪ diˌɛn tər/ noun, Surveying. 1. an instrument on a transit for measuring angles of inclination in terms of their tangents.