noun. ['ˈluːmən'] 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.
Rhymes with Lumen
Sentences with lumen
1. Noun, plural
The main difference between a Broviac catheter and a Hickman line is the size of the lumen.
2. Noun, singular or mass
A lumen is a measure of brightness that a light source emits.
3. Adjective, comparative
One lumen per one square centimeter is exactly 1 lux.
According to The LED Light.com, a lumen measures the amount of light that gets to an object.
noun. ['ˈluːmən'] a cavity or passage in a tubular organ.