LOS, or Los, or LoS may refer to:

Science and technology

* Length of stay, the duration of a single episode of hospitalisation *

Level of service Level of service may refer to: * Levels of service in asset management * Level of service (transportation) in transportation and traffic * Something agreed on in a Service-level agreement A service-level agreement (SLA) is a commitment between a ...

, a measure used by traffic engineers *

Level of significance In statistical hypothesis testing, a type I error is the mistaken rejection of an actually true null hypothesis (also known as a "false positive" finding or conclusion; example: "an innocent person is convicted"), while a type II error is the fa ...

, a measure of statistical significance *

Line-of-sight (disambiguation) Line of sight (adjectival form line-of-sight) is the unobstructed line between an observer and a subject of interest. Line of sight or Line of Sight may also refer to: * Sightline (architecture), an unobstructed line-of-sight between a subject a ...

* LineageOS, a free and open-source operating system for smartphones and tablet computers * Loss of signal ** Fading **End of

pass (spaceflight) An orbital pass (or simply pass) is the period in which a spacecraft is above the local horizon, and thus available for line-of-sight communication with a given ground station, receiver, or relay satellite, or for visual sighting. The beginning ...

Loss of significance In numerical analysis, catastrophic cancellation is the phenomenon that subtracting good approximations to two nearby numbers may yield a very bad approximation to the difference of the original numbers. For example, if there are two studs, one L_ ...

, undesirable effect in calculations using floating-point arithmetic

Medicine and biology

Lipooligosaccharide Lipopolysaccharides (LPS) are large molecules consisting of a lipid and a polysaccharide that are bacterial toxins. They are composed of an O-antigen, an outer core, and an inner core all joined by a covalent bond, and are found in the outer me ...

, a bacterial lipopolysaccharide with a low-molecular-weight * Lower oesophageal sphincter

Arts and entertainment

* ''

The Land of Stories ''The Land of Stories'' is a series of children's fiction, adventure and fantasy books written by American author, actor and singer Chris Colfer. The first book, ''The Wishing Spell'', was released on July 17, 2012. The sixth book was published ...

'', a series of children's novels by Chris Colfer * Los, or the

Crimson King The Crimson King, known to some as Los' or Ram Abbalah, is a fictional character created by Stephen King and the main antagonist of King's eight-volume ''Dark Tower'' series, as well as the novels '' Insomnia'' (1994) and '' Black House'' (20 ...

, a character in Stephen King's novels *

Los (band) Los was a British indie rock band, formed and based in Surrey. As of 2008, the band comprises Helen Sargent (vocals and synth), Daniel Hale (drums) and Chris Hamilton (guitars). Their distinctive sound had been described as a mixture of rock, ...

, a British indie rock band from 2008 to 2011 *

Los (Blake) In the mythological writings of William Blake, Los is the fallen (earthly or human) form of Urthona, one of the four Zoas. He is referred to as the "eternal prophet" and creates the visionary city of Golgonooza. Los is regularly described as a ...

, a character in William Blake's poetry *

Los (rapper) Carlos Coleman (born March 23, 1982), better known by his stage name King Los or simply Los is an American rapper and lyricist. He originally signed to Bad Boy Records during the 2005 in conjunction with his Bloc Incorporated record deal. After ...

(born 1982), stage name of American rapper Carlos Coleman * "Los", a song from the Rammstein album ''

Reise, Reise ''Reise, Reise'' (; a German '' military wake-up call'', literally "(a)rise, (a)rise") is the fourth studio album by Neue Deutsche Härte band Rammstein. It was released on 27 September 2004 through Universal Music in Germany and followed shortl ...

'' *Los, or 'Legion of Skanks', is a comedy podcast on Gas Digital Network.

Games and sports

* Line of scrimmage, in American football * Lucas Oil Stadium, Indianapolis, Indiana, the home of the Indianapolis Colts football team

Locations

* Îles de Los, Guinea * Los, Sweden * Łoś, Masovian Voivodeship, Poland * Los, a small List of craters on Mars#L, crater on Mars

Business

* LOS AS, a Norwegian electricity supplier and subsidiary of Agder Energi

Weapons

* PZL.37 Łoś, Polish bomber aircraft * Los (hunting rifle), Los (''Лось''), Soviet hunting rifle

Other uses

*Los (surname) * Law of the sea * London Oratory School, a Catholic secondary school in Fulham, London; commonly known as The Oratory * League of the South, a neo-Confederate group * los, ISO 639 code for the Loniu language of Papua New Guinea * ''los'', a Spanish determiners, determiner in the Spanish language * ''los'', a Spanish pronouns, pronoun in the Spanish language * LOS, the IATA code for Murtala Muhammed International Airport in Lagos, Nigeria * LOS, the National Rail code for Lostwithiel railway station in Cornwall, UK