Grade

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Grade may refer to:

Grade separation, the process of aligning a junction of two or more transport axes at different heights such that they do not disrupt the flow of traffic of one another when they cross

Use in technical measurements:

* Grade (geography), the pitch of a slope such as a hill, path, or road

* Graded vector space, a vector space with an extra piece of structure

* Graded algebra, an algebra over a field (or commutative ring) with an extra piece of structure

* Ore grade, a measure that describes the concentration of a valuable natural material in the surrounding ore

* Property class, or "grades," which are certain size and strength requirements for nuts and bolts

* Grade (angle), a unit for the measurement of plane angles

Fuel grade:

:* Cetane rating, a measure of diesel fuel's combustion quality

:* Octane rating, the measure of the autoignition resistance of gasoline (petrol) and other fuels used in spark-ignition internal combustion engines

In Medicine:

:* Grading (tumors), a measure of the aggressiveness of a tumor

Other uses:

Grade (climbing), a climber's assessment of the difficulty and danger of climbing a route
Grade (bouldering), a climber's assessment of the difficulty and danger of climbing a route which are distinct from those used in regular climbing

Grade of service, the quality of voice service in telecommunications
Grading, the scaling of a pattern to a different size in the clothing industry
Coin grading, the process of determining the grade or condition of a coin, the key factor in its value
Color grading, the process of altering and enhancing the color of a motion picture or television image
Grade (band), a hardcore emo punk rock band

See also