candela

• Sustantivo que designa la unidad básica del Sistema Internacional de la intensidad luminosa, definida como el flujo luminoso por unidad de ángulo sólido emitido por una fuente en una dirección dada. También se usa como término para vela o candela de cera, y en física para la unidad de medida de la luz.

A noun referring to the SI base unit of luminous intensity, defined as the luminous power per unit solid angle emitted by a black body at the temperature of freezing platinum.

1. C2formalscientific

   The base unit of luminous intensity in the International System of Units (SI), defined as the luminous intensity in a given direction of a source that emits monochromatic radiation of frequency 540 × 10¹² hertz and has a radiant intensity in that direction of 1/683 watt per steradian.

   Candela (unidad)

   • The candela is one of the seven base SI units.
   • Modern light bulbs are often rated in lumens, which are derived from candela.
   • The standard candle was historically used as a reference for the candela.