noun🔗ShareشمعةIn the International System of Units, the base 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 1/683 watt per steradian. Symbol: cd"The small emergency flashlight had a luminous intensity of only 0.5 candelas, barely enough to see in the dark. "كان لمصباح الطوارئ الصغير شدة إضاءة تبلغ 0.5 شمعة فقط، بالكاد تكفي للرؤية في الظلام.physicsunitChat with AIVocabulary GamePractice Reading