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Noun: grade separation  greyd `sepu'reyshun
Usage: N. Amer
  1. A crossing that uses an underpass or overpass

Derived forms: grade separations

Type of: crossing, crossover, crosswalk [N. Amer], pedestrian crossing

Encyclopedia: Grade separation

Nearest

gradate
gradation
gradational
gradatory
grade
grade crossing
grade insignia
grade point
grade point average
grade school
grade separation
grade-appropriate
grade-constructed
graded
grader
gradient
grading
gradual
gradualism
graduality
gradually