candela

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candela

 (cd) [kan-del´ah]
the base SI unit of luminous intensity.

can·de·la (cd),

(kan'de-lă),
The SI unit of luminous intensity, 1 lumen per m2; the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 × 1012 Hz and that has a radiant intensity in that direction of 1/683 W per steradian (solid angle).
Synonym(s): candle
[L.]

candela

/can·dela/ (cd) (kan-del´ah) the base SI unit of luminous intensity.

candela

See candle.

candela

The SI (International System unit) of luminous intensity in a given direction from a source emitting monochromatic radiation of a frequency of 540 X 1012 hertz, where the energy in that direction is 1.464 X 10-3/steradian.

can·de·la

(kan-dē'lă)
The SI unit of luminous intensity, 1 lumen per m2; the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 × 1012 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian (solid angle).
[L.]

candela 

The candela is the luminous intensity in a given direction of a source emitting monochromatic radiation of frequency 540 ✕ 1012 Hz and the radiant intensity of which in that direction is 1/683 watt per steradian. The candela so defined is the base unit applying to photopic quantities. Symbol: cd.

candela

the SI unit of luminous intensity. Abbreviated cd.
References in periodicals archive ?
The intensity with which a phosphorescent material glows in the dark is measured in millicandelas per meter squared, an expression of the light emitted from the part.
A luminosity of up to 4,180 millicandelas (red), 4,180 (green) and 1,100 (blue) at 20 mA
The new line-up of diodes is the brightest SMD LEDs offered in the industry today, with up to 450 millicandelas (mcd) typical at 555 to 660 nanometers (nm).