lumen – מילון אנגלי-אנגלי
lumen
n.
unit for measuring the rate at which light is transmitted (Optics); cavity, hollow space (Anatomy, Botany)
Lumen
Lumen can refer to:
- Lumen (unit), the SI unit of luminous flux
- Lumen (anatomy), the cavity or channel within a tubular structure
- Thylakoid lumen, the inner membrane space of the chloroplast
- Phenobarbital (trade name)
- Lumen (website), a database of Digital Millennium Copyright Act takedown requests
- Lumen (branding agency), a design and branding company headquartered in Milan, Italy
- Lumens (company), a Sacramento lighting company
- 141 Lumen, an asteroid
- Lumen (band), a Russian rock band
- Lumen Martin Winter (1908–1982), American artist
- Lumen Pierce, a fictional character in the television series Dexter
- USS Lumen (AKA-30), a US Navy ship
lumen
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
(synonym) lm
(hypernym) luminous flux unit
2. a cavity or passage in a tubular organ; "the lumen of the intestine"
(hypernym) cavity, bodily cavity, cavum
Lumen (der)
nm.
(Physics) lumen, unit of light; cavity; (Botany) cellular cavity
lumen
nm.
lumen, unit for measuring the rate at which light is transmitted (Optics); cavity, hollow space (Anatomy, Botany)