Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The SI unit of luminous intensity equal to 1/60 of the luminous intensity per square centimeter of a blackbody radiating at the temperature of solidification of platinum (2,046 K).
from the GNU version of the Collaborative International Dictionary of English.
- noun the basic unit of luminous intensity adopted under the System International d'Unites.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun In the
International System of Units , thebase unit ofluminous intensity ; the luminous intensity, in a given direction, of a source that emitsmonochromatic radiation offrequency 540 × 1012hertz and that has aradiant intensity in that direction of 1/683watt persteradian . Symbol: cd
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the basic unit of luminous intensity adopted under the Systeme International d'Unites; equal to 1/60 of the luminous intensity per square centimeter of a black body radiating at the temperature of 2,046 degrees Kelvin
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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Unit of luminous intensity candela The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 x 1012 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian.
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More formally, a candela is the intensity of a source that puts out yellow light at 1/683 watt per steradian of solid angle.
BBC News - Home 2010
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Unfortunately, it wasn't - and after much searching the title of the track is 'candela' by Da Madd Dominikans (in case anyone else needs to find it).
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This redefinition would bring the kilogram into line with the six other base units that make up the International System of Units SI – the metre, the second, the ampere, the kelvin, the mole and the candela.
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I worked on the candela, a not-too-fancy move that I've nevertheless had persistent trouble with, and seem to have it down:
Google and Self-flagellation boutell 2009
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Following an international inquiry by the BIPM, which began in 1948, the 10th CGPM, in 1954, approved the introduction of the ampere, the kelvin and the candela as base units, respectively, for electric current, thermodynamic temperature and luminous intensity.
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:Ecodesign: come riscaldarsi con una candela in ufficio durante queste grigie e umide giornate d'inverno::.
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Flashbangs produced an incredibly bright light—approximately two million candela, which even with eyes closed would cause a bleaching of the rhodopsin, the visual purple in the eye, creating the spots and temporary blindness most people have experienced and referred to as the flashbulb effect.
State of the Union Brad Thor 2004
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Flashbangs produced an incredibly bright light—approximately two million candela, which even with eyes closed would cause a bleaching of the rhodopsin, the visual purple in the eye, creating the spots and temporary blindness most people have experienced and referred to as the flashbulb effect.
State of the Union Brad Thor 2004
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Flashbangs produced an incredibly bright light—approximately two million candela, which even with eyes closed would cause a bleaching of the rhodopsin, the visual purple in the eye, creating the spots and temporary blindness most people have experienced and referred to as the flashbulb effect.
State of the Union Brad Thor 2004
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