Grade
From Free net encyclopedia
A grade may refer to many different concepts, including:
- in various contexts: Each item in a (generally ordered and finite) collection of symbols or designators used as a particular grade system to distinguish and rank corresponding groups, where distinct members or instances of each group are regarded as sufficiently similar (in attributes such as performance, quality, size, age, etc.) to be classified together. Such collections are typically 1, 2, 3, 4, 5, and A, A-, B+, ..., D-, F, or Regular, Super, Premium. Grades can also be given out as any number between 0.0-4.0. Examples of grade systems occur
- in education, either
- a teacher's evaluation of a student's work: see Grade (education), or
- Grade level, a student's level of educational progress in school.
- GRADE is an acronym for the reading assessment called "Group Reading Assessment and Diagnostic Evaluation."
- in sports, degree of difficulty of a challenge, including:
- in telecommunication: Grade of service
- in fueling internal combustion engines: Grade of gasoline and Fuel performance rating
- in collectibles, such as coins and comic books, an evaluation of the condition of the item, sometimes in words ("Fair" or "Very Fine" or "Mint"), sometimes numeric (coins are graded on a scale of 0 to 70, while comics are graded from 0.0 through 10.0)
- in education, either
- in geography, railroad engineering, and other contexts sensitive to topography, a percentage ratio of elevation differential to distance (also called gradient, and a case of mathematical slope): see grade (geography)
- in traffic, grade separation is the process of aligning a junction of two or more transport axes on different levels.
- in mathematics, a unit for the measurement of plane angles: see grad
- see also graded vector space, graded algebra.
- in moving-image (cinema and television) post-production, to grade is to perform the process (also called "color-timing") of color-correcting images.
- Grade is a Hardcore punk rock band of the Emo genre.
- in pathology, grading (tumors) is a measure of the aggressiveness of a tumor, using either a numeric grade ("Grade 2") or a descriptive grade ("high grade").
- in mining the amount of metal in ore, eg. the gold grade was high in the vein.
- in Phylogenetics an (evolutionary) grade is a paraphyletic group of organisms. It is used in contrast to clade.
- the strength of steel fasteners such as bolts is rated in grades.
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