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Grade or grading may refer to:

Arts and entertainment[edit]


Science, technology, and mathematics[edit]

Biology and medicine[edit]


  • Graded bedding, a description of the variation in grain size through a bed in a sedimentary rock
  • Metamorphic grade, an indicatation of the degree of metamorphism of rocks
  • Ore grade, a measure that describes the concentration of a valuable natural material in the surrounding ore

Engineering and technology[edit]

  • Grade (fasteners), the grade of nuts and bolts refers to the strength and material
  • Grade (slope), the angle of a slope such as a hill, road or railway
  • Grade (elevation at earth level), in architectural engineering, the elevation of the earth surrounding a building
  • Grading (earthworks), the preparation and leveling of land for construction, especially of roads and railways
  • Grade separation, aligning a junction of two or more transport axes at different heights to facilitate traffic flow
  • Cetane rating, a measure of diesel fuel's combustion quality
  • Octane rating, also called gasoline grade, the measure of the autoignition resistance of gasoline (petrol) and other fuels used in spark-ignition internal combustion engines
  • Grade of service, the quality of voice service in telecommunications
  • Color grading, the process of altering and enhancing the color of a motion picture, video image, or still image
  • A rating of lumber (timber) quality and strength



Other uses[edit]

See also[edit]