柯林斯詞典candela /k?n?di?l?, -?de?l?/ 1. N the basic SI unit of luminous intensity; 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 () watt per steradian 坎德拉; 發(fā)光強(qiáng)度國際單位 ( symbol: cdAlso called candle, standard candle) 返回 candela