lumens

英['luːmen] 美['luːmen]
  • n.内腔;流明(光流的强度单位)
lumena lumens
Noun:
  1. 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

  2. a cavity or passage in a tubular organ;

    "the lumen of the intestine"

    用作名词 (n.)
    1. The innermost region of cotton is called lumen.
      棉纤维的最内层组织叫内腔。
    2. A former luminance unit equals to one lumen per square foot.
      旧制光的亮度单位等于每平方英尺流明。
    【近义词】
    • LM 地上移动式无线电设备...