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Measurement

Definitions and theories
Classical definition In the classical definition, which is standard throughout the physical sciences, measurement is the determination or estimation of ratios of quantities. Quantity and measurement a ...
2014-3-24 21:03
Difficulties
Since accurate measurement is essential in many fields, and since all measurements are necessarily approximations, a great deal of effort must be taken to make measurements as accurate as possible. Fo ...
2014-3-24 21:02
Units and systems
Main articles: Units of measurement and Systems of measurementA baby bottle that measures in three measurement systems, Imperial (U.K.), U.S. customary, and metric.Four measuring devices having metric ...
2014-3-24 21:02
Standardization of measurement units
Measurements are most commonly made in the SI system, which contains seven fundamental units: kilogram, metre, candela, second, ampere, kelvin, and mole. Six of these units are artifact-free (defined ...
2014-3-24 21:01
Measurement
Measurement (from Old French, mesurement) is the assignment of numbers to objects or events. It is a cornerstone of most natural sciences, technology, economics, and quantitative research in other soc ...
2014-3-24 21:01

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