SI unit


Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Wikipedia.

SI unit

any of the units adopted for international use under the Système International d'Unités, now employed for all scientific and most technical purposes. There are seven fundamental units: the metre, kilogram, second, ampere, kelvin, candela, and mole; and two supplementary units: the radian and the steradian. All other units are derived by multiplication or division of these units without the use of numerical factors
References in periodicals archive ?
To make the system more consistent and accessible, the international metrology community plans to redefine all SI units in terms of fundamental constants by 2018.
A 10 cm x 10 cm x 10 cm "SI Cube", which helps students learn SI units, is presented.
An example is the joule J, the coherent derived SI unit for the derived quantity energy: "joule" is the special name for the "kilogram meter squared per second squared" and "J" is the special symbol for "[s.
Even when other SI units are used in the article, I'm always that the traditional shorthand from a first draft might have carried through intact; a difference of [10.
Which German physicist gave his name to the SI unit of frequency?
Which boy's name is also the name of the derived SI unit for inductance?
According to the market, most of the goods produced locally are labeled with the SI unit system, and it was only the imported products that have the old measurement descriptions.
TABLE 4-1 Conversion Factors for SI and Non-SI Units To Convert to Non-SI Unit SI Unit Multiply by Length kilometer 0.
With the completion of the uncertainty analysis, the new 10 pF cryogenic capacitor is now fully ready to be used in the ECCS, with a route to tie the ECCS to the SI unit of capacitance with an uncertainty of about 4X[10.
Drawing on decades of experience in industry and academia, the authors include numerous SI unit examples and design tables along with step-by-step instructions on how to analyze and design for each type of structural member.
Which Croatian-born electrical engineer had the SI unit of magnetic flux density named after him?