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

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.
References in periodicals archive ?
The company has released a 10o spot version, not available in halogen or from other LED manufacturers, as well as a 25o version that has a center beam candle power that is asserted to be higher than halogen and all other LED GU10 products in the market place worldwide.
Details: www.the-drum.org CANDLE POWER THERE will be a candlelit carol service at St Mary's Church, Warwick Road, Acocks Green from 6.30pm on Sunday.
Information about the products that are registered with Lighting Facts is accessible from the products page of the Lighting Facts website, including Lighting Facts label data and, at the manufacturer's discretion, additional metrics from the LM-79 test reports--such as power factor, zonal lumens, beam angle and center beam candle power. There are also special qualifications or recognition a product has received--such as being evaluated in a DOE Gateway demonstration project, being Energy Star-qualified, or winning a design competition such as Next Generation Luminaires.
There were hundreds of deaths in the deep darkness of the 9ft seams lit by faint candle power as tubs filled with rock and gunpowder explosions killed and maimed the miners.
A closer look with the helicopter's 30m candle power Nitesun spotlight revealed the rectangle was in fact the collapsed missing resident, dressed only in his pyjamas.
A family of four will learn how to live on a cabbage a week, television sets will run on candle power and children at school will eat whale meat and blubber (and yes, here it comes: you'd blubber if you had to eat whale meat).
But Bazeviciute's emotional acting can be measured only in candle power. To say she went through the motions of falling in love would be to put it kindly.
Celebrities need no convincing of candle power. David Beckham has filled the bedroom of his Madrid hotel with dozens of lit candles and a profusion of orchids to create the perfect romantic atmosphere for an intimate dinner with wife Victoria.