noun ダウンロード 🔗共有 カンデラ In 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 Examples : "The small emergency flashlight had a luminous intensity of only 0.5 candelas, barely enough to see in the dark. " 小さな非常用懐中電灯は、わずか0.5カンデラの光度しかなく、暗闇で見るにはほとんど足りませんでした。 physics unit AIとチャット語彙ゲーム読解練習