candela Syllabification: (can·de·la)Pronunciation: /kanˈdēlə, -ˈdelə/ (abbreviation: cd)Definition of candela noun Physics the SI unit of luminous intensity. One candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 × 1012 Hz and has a radiant intensity in that direction of 1/ 683 watt per steradian. Origin: 1950s: from Latin, 'candle'candela in other Oxford dictionaries Definition of candela in the British & World English dictionary
