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candela (Candela)

SI luminosity intensity measure. Symbol: cd. It is one of the base units in SI, and it is currently defined as follows: the Candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540*10^12 Hertz and that has a radiant intensity in that direction of 1/683 Watt per Steradian.

Ontology

SUMO / UNITS-OF-MEASURE

Class(es)

systeme international unit

is instance of

candela

Superclass(es)

[tree]

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abstract

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quantity

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physical quantity
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is subclass of

[tree]

is subclass of

abstract

is subclass of

relation

is subclass of

single valued relation

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function

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is subclass of

function quantity

is subclass of

candela

Coordinate term(s)

ampere becquerel british thermal unit calorie celsius degree coulomb electron volt farad gram gray henry hertz joule kelvin degree lumen lux meter mole newton ohm pascal pound force radian second duration siemens sievert steradian tesla unary constant functionquantity volt watt weber

Related WordNet synsets

candle, candela, cd, standard candle: the basic unit of luminous intensity adopted under the System International d'Unites; equal to 1/60 of the luminous intensity per square centimeter of a blackbody radiating at the temperature of 2,046 degrees Kelvin