Quantitative Concept
candela Audio
can·de·la [ kan-dee-luh ]
Definitions related to candela:
  • (cd) The candela is the basic unit of luminous intensity. It is the luminous intensity in a given direction of a small monochromatic light source at 540 terahertz emitting 1/683 watt per steradian in that direction. This is dependent upon the definitions of the meter, kilogram, and second.(NCI)
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • A unit of luminous intensity, one of the seven base units of the International System of Units (Systeme International d'Unites, SI). It is the luminous intensity in a given direction of a small monochromatic light source at 540 terahertz emitting 1/683 watt per steradian in that direction. This is dependent upon the definitions of the meter, kilogram, and second.
    NCI
    U.S. National Cancer Institute, 2021
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