Lumen can refer to: *

Lumen (unit) The lumen (symbol: lm) is the unit of luminous flux, a measure of the total quantity of visible light emitted by a source per unit of time, in the International System of Units (SI). Luminous flux differs from power ( radiant flux) in that rad ...

, the SI unit of luminous flux *

Lumen (anatomy) In biology, a lumen (plural lumina) is the inside space of a tubular structure, such as an artery or intestine. It comes . It can refer to: *The interior of a vessel, such as the central space in an artery, vein or capillary through which blood ...

, the cavity or channel within a tubular structure * Lumen (band), a Russian rock band * Lumen (branding agency), a design and branding company headquartered in Milan, Italy * The Lumen (Cleveland), a skyscraper in downtown Cleveland * ''Lumen'' (novel), an 1887 book by

Camille Flammarion Nicolas Camille Flammarion Fellow of the Royal Astronomical Society, FRAS (; 26 February 1842 – 3 June 1925) was a French astronomer and author. He was a prolific author of more than fifty titles, including popular science works about astrono ...

* Lumen (website), a database of Digital Millennium Copyright Act takedown requests *

141 Lumen Lumen (minor planet designation: 141 Lumen) is a carbonaceous asteroid from the intermediate asteroid belt, approximately 130 kilometers in diameter. It is an identified Eunomian interloper. Description It was discovered on January 13, 1875, ...

, an asteroid *

Lumen Martin Winter Lumen Martin Winter (December 12, 1908 – April 5, 1982) was an American public artist whose skills in sculpture, paintings, and works on paper, were widely known during his lifetime. His ability to master a wide range of media – including oil ...

(1908–1982), American artist *

Lumen Pierce Lumen can refer to: * Lumen (unit), the SI unit of luminous flux * Lumen (anatomy), the cavity or channel within a tubular structure * Lumen (band), a Russian rock band * Lumen (branding agency), a design and branding company headquartered in Mi ...

, a fictional character in the television series ''Dexter'' *

Lumen Technologies Lumen Technologies, Inc. (formerly CenturyLink) is an American telecommunications company headquartered in Monroe, Louisiana, that offers communications, network services, security, cloud solutions, voice, and managed services. The company is a ...

, telecommunications company formerly known as CenturyLink * Stellar Lumens, a cryptocurrency and payment network * USS ''Lumen'' (AKA-30), a US Navy ship * Lumen, a dating app owned by MagicLab

See also