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 radiant ...

, 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 f ...

, the cavity or channel within a tubular structure *

Lumen (band) Lumen is a Russian rock band from Ufa. It has released seven studio albums to date. The band considers February 12, 1998 as its birthday because on that date it performed as "Lumen" for the first time. The band's earlier works have an alternat ...

, a Russian rock band *

Lumen (branding agency) Lumen was a Milan-based multi-disciplined creative and design consulting agency, founded by Pietro Rovatti and Drew Smith in 2003. Drew Smith acquired the agency in 2014, changing the name from ''Lumen'' to Smith Lumen. History Lumen was found ...

, a design and branding company headquartered in Milan, Italy *

The Lumen (Cleveland) The Lumen is a high-rise apartment building in the Playhouse Square district of downtown Cleveland, Ohio. Completed in 2020, the 34-story, tower sits at the southwest corner of Euclid Avenue and East 17th Street, adjacent to the Hanna Buildin ...

, a skyscraper in downtown Cleveland * ''Lumen'' (novel), an 1887 book by

Camille Flammarion Nicolas Camille Flammarion 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 astronomy, several notable early science fiction ...

Lumen (website) Lumen, formerly Chilling Effects, is an American collaborative archive created by Wendy Seltzer and founded along with several law school clinics and the Electronic Frontier Foundation to protect lawful online activity from legal threats. Lum ...

, 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, 187 ...

, 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 Stellar, or Stellar Lumens, is an open source, decentralized protocol for digital currency to fiat money low-cost transfers which allows cross-border transactions between any pair of currencies. The Stellar protocol is supported by a Delaware non ...

, a cryptocurrency and payment network * USS ''Lumen'' (AKA-30), a US Navy ship * Lumen, a dating app owned by

MagicLab Andrey Andreev (russian: Андрей Андреев; born Andrey Vagnerovich Ogadzhanyants (russian: Андрей Вагнерович Огаджанянц); 3 February 1974

See also