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gradate
gradation
grade
grade crossing
grade inflation
grade point
grade point average
grade school
grade separation
graded sediment
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grade separation
grade sep·a·ra·tion (plural grade sep·a·ra·tions)


noun 
Definition:
 
crossing on different levels: a crossing of roads or railroads requiring an overpass or underpass
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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