Term
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Definition
Sym: l
unit name: meter
unit abbr: m
The length of the path traveled by light in a vacuum during an interval of 1/299 729 458 of a second. |
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Term
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Definition
Sym: m
unit name:kilogram
unit abbre:kg
the unit of mass equal to the international prototype of the kilogram |
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Term
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Definition
Sym: t
unit name: second
unit abbre:s
the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium-133 atom |
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Term
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Definition
Sym: T
unit name: kelvin
unit abbre:K
the fraction 1/273.16 of the thermodynamic temperature of the triple point of water |
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Term
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Definition
Sym: n
unit name:mole
unit abbre:mol
the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon-12 |
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Term
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Definition
Sym:I
unit name: ampere
unit abbre:A
the constant current which, if maintained in two straight parallel conductors of infinite length, of negligible circular cross section, and placed one meter apart in a vacuum, would produce between these conductors a force equal to 2 x 10^-7 newton per meter length |
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Term
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Definition
Sym: L (subscript) v
unit name: candela
unit abbre:cd
the luminous intensity in a given direction, of a source that emits monochromatic radiation of frequency 540x10^12 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian |
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