lumen
/'lu:min/
📖 中文释义
- n. 流明, 腔
- [医] 腔, 流明(光通单位)
🔗 释义中的汉语词
🧩 词形变化
复数 lumens
📘 English Definition（英文释义）
- n. a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions
- n. a cavity or passage in a tubular organ