LOS, or Los, or LoS may refer to:

Science and technology

Length of stay Length of stay (LOS) is the duration of a single episode of hospitalization. patient, Inpatient days are calculated by subtracting day of admission from day of :wikt:discharge, discharge. Analysis A common statistic associated with 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 (SLA) {{Disambiguation ...

, 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 ...

LineageOS LineageOS is an Android-based operating system for smartphones, tablet computers, and set-top boxes, with mostly free and open-source software. It is the successor to CyanogenMod, from which it was forked in December 2016, when Cyanogen Inc. an ...

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

Fading In wireless communications, fading is variation of the attenuation of a signal with various variables. These variables include time, geographical position, and radio frequency. Fading is often modeled as a random process. A fading channel is ...

**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 m ...

, a bacterial lipopolysaccharide with a low-molecular-weight *

Lower oesophageal sphincter The esophagus (American English) or oesophagus (British English; both ), non-technically known also as the food pipe or gullet, is an organ in vertebrates through which food passes, aided by peristaltic contractions, from the pharynx to the ...

Arts and entertainment

* ''The Land of Stories'', a series of children's novels by Chris Colfer * Los, or the Crimson King, a character in Stephen King's novels * Los (band), a British indie rock band from 2008 to 2011 * Los (Blake), a character in William Blake's poetry * Los (rapper) (born 1982), stage name of American rapper Carlos Coleman * "Los", a song from the Rammstein album ''Reise, Reise'' *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