Dictionary · General
Nominal property
A property of a phenomenon, body, or substance that has no magnitude — the sex of a specimen, the color sequence of a resistor, an ISO country code. It can be examined and classified, but not measured.
Related terms
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Measurement procedure
A detailed description of a measurement according to a principle and method, based on a measurement model — detailed enough that a trained operator can perform it. The SOP is its documented form.
VIM (JCGM 200:2012) 2.6
Conventional quantity value
A quantity value attributed to a quantity by agreement for a given purpose — the conventional value of local gravity, or the conventional mass of a weight.
VIM (JCGM 200:2012) 2.12
Measurement method
A generic description of the logical organization of operations used in a measurement — substitution method, differential method, null method.
VIM (JCGM 200:2012) 2.5
Measurement result
The set of quantity values attributed to a measurand together with any other available relevant information — generally a measured value with its measurement uncertainty.
VIM (JCGM 200:2012) 2.9
Metrology
The science of measurement and its application — including all theoretical and practical aspects, whatever the uncertainty and field of application.
VIM (JCGM 200:2012) 2.2
Reference measurement procedure
A procedure accepted as providing results fit for assessing the trueness of values obtained from other procedures for the same kind of quantity.
VIM (JCGM 200:2012) 2.7