单词 | candela |
释义 | Word Frequency candela(kænˈdiːlə, -ˈdeɪlə) noun 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 (1⁄683) watt per steradian Symbol: cd. Also called: candle, standard candleWord origin C20: from Latin: candleWord Frequency Candela(kænˈdiːlə) noun Felix. 1910–97, Mexican architect, noted for his naturalistic modern style and thin prestressed concrete roofs |
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