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[grey-der] /ˈgreɪ dər/
a person or thing that grades.
a pupil of a specified grade at school:
a fourth grader.
a machine for grading.
1840-50, Americanism; grade + -er1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for grader
  • Well if she is a third grader you have a shot, other wise.
  • Your article says nothing already not easily understood by a fifth grader.
  • The administrator could have a fifth-grader walk them through a long-division problem step-by-step.
  • No eighth grader would be proud of its syntax or even its spelling.
  • Shooting a breed of dog that would loose a fight with a first grader is a mistake.
  • So everything has to be kept at about a fifth-grader's intelligence level.
  • Being a second-grader isn't that different from being a first-grader.
  • Interior vacillations of mind and spirit are inevitable in any grader with professional dedication and a conscience.
  • Indeed, in many cases good evaluations mean you were an easy grader.
  • Known as a tough grader, he likes to peer through microscopes and work with data.
British Dictionary definitions for grader


a person or thing that grades
a machine, either self-powered or towed by a tractor, that levels earth, rubble, etc, as in road construction
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for grader

1868, of machines; 1870, of persons, agent noun from grade (v.).

Online Etymology Dictionary, © 2010 Douglas Harper
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Encyclopedia Article for grader

in excavation, precision finishing vehicle for final shaping of surfaces on which pavement will be placed. Between its front and rear wheels a grader carries a broad mechanically or hydraulically controlled blade that can be extended from either side. Either end of the blade can be raised or lowered. Graders may be used for shallow ditching, but most models are used to assist other earth-moving equipment and to smooth roads, fills, and cuts.

Learn more about grader with a free trial on
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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