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Level or levels may refer to:


Engineering

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Level (optical instrument) A level is an optical instrument used to establish or verify points in the same horizontal plane in a process known as ''levelling''. It is used in conjunction with a levelling staff to establish the relative height or levels (the vertical separ ...
, a device used to measure true horizontal or relative heights *
Spirit level A spirit level, bubble level, or simply a level, is an Measuring instrument, instrument designed to indicate whether a surface is Horizontal plane, horizontal (level) or vertical direction, vertical (plumb-bob, plumb). Two basic designs exis ...
or bubble level, an instrument designed to indicate whether a surface is horizontal or vertical *
Canal pound A canal pound (from impound), reach, or level (American usage), is the stretch of level water impounded between two canal locks. Canal pounds can vary in length from the non-existent, where two or more immediately adjacent locks form a canal lock# ...
or level *
Regrading Grading in civil engineering and landscape architectural construction is the work of ensuring a level base, or one with a specified slope, for a construction work such as a foundation, the base course for a road or a railway, or landscape and ...
or levelling, the process of raising and/or lowering the levels of land *
Storey A storey (English in the Commonwealth of Nations, Commonwealth English) or story (American English), is any level part of a building with a floor that could be used by people (for living, work, storage, recreation, etc.). Plurals for the wor ...
or level, a vertical unit of a building or a mine *
Level (coordinate) Vertical position or vertical location is a position along a vertical direction (the plumb line direction) above or below a given vertical datum (a reference level surface, such as mean sea level). Vertical distance or vertical separation is the ...
, vertical position *
Horizontal plane Horizontal may refer to: *Horizontal plane, in astronomy, geography, geometry and other sciences and contexts *Horizontal coordinate system, in astronomy *Horizontalism, in monetary circuit theory *Horizontalidad, Horizontalism, in sociology *Hor ...
parallel


Gaming

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Level (video games) In Video game, video games, a level (also referred to as a map, mission, stage, course, or round in some older games) is any space available to the player during the course of completion of an objective. Video game levels generally have progres ...
, a stage of the game *
Level (role-playing games) An experience point (often abbreviated as exp or XP) is a unit of measurement used in some tabletop role-playing games (RPGs) and role-playing video games to quantify a player character's life experience and progression through the game. Experien ...
, a measurement of character development


Music

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Level (music) A level,Peter van der Merwe (musicologist), van der Merwe, Peter (1989). ''Origins of the Popular Style: The Antecedents of Twentieth-Century Popular Music''. Oxford: Clarendon Press. . also "tonality level", Gerhard Kubik's "tonal step," "tonal b ...
, similar to but more general and basic than a chord * "Level" (The Raconteurs song) * ''Levels'' (album), an album by AKA * "Levels" (Avicii song) * "Levels" (Bilal song) * "Levels" (Nick Jonas song) * "Levels" (Meek Mill song) * "Levels" (NorthSideBenji song), featuring Houdini * "Levels" (Sidhu Moose Wala song)


Places

* Level Mountain, a volcano in northern British Columbia, Canada * Levél, Győr-Moson-Sopron, Hungary * Levels, New Zealand *
Level, Ohio Level is an unincorporated community in southern Harlan Township, Warren County, Ohio, United States, which in the 19th century was a station on the Marietta and Cincinnati Railroad and had its own post office, since closed. According to the ...
, United States *
The Level, Brighton The Level is an urban park in central Brighton, on the south coast of England. The park is a triangle of bounded by Union Road to the north, Richmond Terrace (A270) to the east, and Ditchling Road ( A23) to the west. In the past, the land has ...
, a park in Brighton, UK *
Level Valley The Wilkniss Mountains () form a prominent group of conical peaks and mountains, long running north–south, located east-southeast of Mount Feather in the Quartermain Mountains, Victoria Land, Antarctica. The mountains are wide in the north ...
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Levels, West Virginia Levels is an Unincorporated area, unincorporated community in Hampshire County, West Virginia, Hampshire County in the U.S. state of West Virginia. According to the United States Census, 2000, 2000 census, the Levels community has a population of ...
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Somerset Levels The Somerset Levels are a coastal plain and wetland area of Somerset, England, running south from the Mendips to the Blackdown Hills. The Somerset Levels have an area of about and are bisected by the Polden Hills; the areas to the south ...
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Great Level Great may refer to: Descriptions or measurements * Great, a relative measurement in physical space, see Size * Greatness, being divine, majestic, superior, majestic, or transcendent People * List of people known as "the Great" * Artel Great (bo ...
, part the Fenlands


Science and mathematics

*A
quantity Quantity or amount is a property that can exist as a multitude or magnitude, which illustrate discontinuity and continuity. Quantities can be compared in terms of "more", "less", or "equal", or by assigning a numerical value multiple of a u ...
, generally *
Level (algebra) In field theory (mathematics), field theory, a branch of mathematics, the Stufe (/Help:IPA for German, ʃtuːfə/; German: level) ''s''(''F'') of a field (mathematics), field ''F'' is the least number of squares that sum to −1. If −1 cannot be w ...
, the lowest number of squares that sum to -1 in a field *
Level (logarithmic quantity) In science and engineering, a power level and a field level (also called a root-power level) are logarithmic magnitudes of certain quantities referenced to a standard reference value of the same type. * A ''power level'' is a logarithmic quantity ...
, a logarithmic measure defined as the logarithm of a ratio of two like quantities *Level, the different values that a
categorical variable In statistics, a categorical variable (also called qualitative variable) is a variable that can take on one of a limited, and usually fixed, number of possible values, assigning each individual or other unit of observation to a particular group or ...
can have *Level, the different values that a factor can have in
factor analysis Factor analysis is a statistical method used to describe variability among observed, correlated variables in terms of a potentially lower number of unobserved variables called factors. For example, it is possible that variations in six observe ...
*Level, the different treatments that are applied within a factor in the
design of experiments The design of experiments (DOE), also known as experiment design or experimental design, is the design of any task that aims to describe and explain the variation of information under conditions that are hypothesized to reflect the variation. ...


Other uses

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Level (airline) Fly Level SL, styled as LEVEL, is a Spanish airline owned by the International Airlines Group (IAG). The airline has a registered office in Viladecans, Spain. Level was initially launched as an airline brand, with low-cost, long-haul flights o ...
, a pan-European airline brand * ''Level'' (magazine), a video game magazine in the Czech Republic, Romania, and Turkey * Level Vodka, a brand of vodka *Level, a collection of objects with the same rank in an
overlapping hierarchy A hierarchy (from Greek: , from , 'president of sacred rites') is an arrangement of items (objects, names, values, categories, etc.) that are represented as being "above", "below", or "at the same level as" one another. Hierarchy is an important ...
*Level, a layer of defense in two-level defense in American football *Level, an indication of the number of previous posts to a forum thread *LEVEL, a website for men of color published by
Medium Medium may refer to: Aircraft *Medium bomber, a class of warplane * Tecma Medium, a French hang glider design Arts, entertainment, and media Films * ''The Medium'' (1921 film), a German silent film * ''The Medium'' (1951 film), a film vers ...
* ''The Level'' (TV series), a British crime drama television series * Levels (film), a 2024 science fiction action film


People with the surname

* Annick Level (born 1942), French fencer * Calvin Levels (born 1954), American film actor * Dwayne Levels (born 1979), American football player * Janou Levels (born 2000), Dutch footballer * Léon Level (1910–1949), French professional road bicycle racer * Maurice Level (1875–1926), French writer * Tobias Levels (born 1986), German-Dutch footballer


See also

* A-Scale Sound Level *
Biological organisation Biological organization is the organization of complex biological structures and systems that define life using a reductionistic approach. The traditional hierarchy, as detailed below, extends from atoms to biospheres. The higher levels of t ...
* Derived no-effect level *
Energy level A quantum mechanics, quantum mechanical system or particle that is bound state, bound—that is, confined spatially—can only take on certain discrete values of energy, called energy levels. This contrasts with classical mechanics, classical pa ...
s, discrete amounts of energy that can be held by a quantum mechanical system or confined particle * Flesch-Kincaid Grade Level *
GCE Ordinary Level GCE can mean: * Galactic Center GeV excess * Gas Control Equipment, GCE Group, Sweden * General Certificate of Education * Global citizenship education * Google Compute Engine * Ground combat element in the United States Marine Corps * Guthri ...
* Gal Level, an R&B girl duo from Windhoek, Namibia *
ILR scale The Interagency Language Roundtable scale is a set of descriptions of abilities to communicate in a language. It is the standard grading scale for language proficiency in the United States's federal-level service. It was originally developed by t ...
, descriptions of abilities to communicate in a language *
Level crossing A level crossing is an intersection where a railway line crosses a road, Trail, path, or (in rare situations) airport runway, at the same level, as opposed to the railway line or the road etc. crossing over or under using an Overpass#Railway, o ...
, a place where a railway track and a road meet or cross at the same level * Level 3 (disambiguation) *
Level 42 Level 42 are an English jazz-funk band formed on the Isle of Wight in 1979. They had a number of UK and worldwide hits during the 1980s and 1990s. Their highest-charting single in the UK was " Lessons in Love", which reached number three on th ...
, an English pop rock and jazz-funk band *
Level measurement Level sensors detect the liquid level, level of liquids and other fluids and fluidized solids, including slurry, slurries, granular materials, and wikt:powders, powders that exhibit an upper free surface. Substances that flow become essentially h ...
, instrumentation techniques to measure height within a vessel *
Level of measurement Level of measurement or scale of measure is a classification that describes the nature of information within the values assigned to variables. Psychologist Stanley Smith Stevens developed the best-known classification with four levels, or scale ...
, a theory of the kinds of scales or levels used for measuring *
Level playing field A level playing field is a concept about fairness, not that each person has an equal chance to succeed, but that they all play by the same set of rules resulting in formal equality of opportunity. In a game played on a playing field, such as rugb ...
, a concept about fairness where all play by the same set of rules *
Level set In mathematics, a level set of a real-valued function of real variables is a set where the function takes on a given constant value , that is: : L_c(f) = \left\~. When the number of independent variables is two, a level set is call ...
, a set where a function takes on a given constant value *
Leveling (disambiguation) Levelling is the measurement of geodetic height using a levelling instrument and a level staff. Levelling may also refer to: Linguistics * Morphological leveling, the generalization of an inflection across a paradigm or between words * Dialect ...
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Leveling seat Leveling seats (, , , , ), commonly known also as adjustment seats, are an election mechanism employed for many years by all Nordic countries (except Finland) in elections for their national legislatures. Germany also used national leveling seats ...
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Levellers The Levellers were a political movement active during the English Civil War who were committed to popular sovereignty, extended suffrage, equality before the law and religious tolerance. The hallmark of Leveller thought was its populism, as sh ...
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Pevensey Levels Pevensey Levels is a biological Site of Special Scientific Interest between Bexhill-on-Sea and Hailsham in East Sussex. It is a Nature Conservation Review site, Grade I, a Ramsar site and a Special Area of Conservation. An area of is a nation ...
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Sea level Mean sea level (MSL, often shortened to sea level) is an mean, average surface level of one or more among Earth's coastal Body of water, bodies of water from which heights such as elevation may be measured. The global MSL is a type of vertical ...
, the average height of the ocean's surface, reference of height systems *
Somerset Levels The Somerset Levels are a coastal plain and wetland area of Somerset, England, running south from the Mendips to the Blackdown Hills. The Somerset Levels have an area of about and are bisected by the Polden Hills; the areas to the south ...
* Terror Alert Level *
Water level Water level, also known as gauge height or stage, is the elevation of the free surface of a sea, stream, lake or reservoir relative to a specified vertical datum. Over long distances, neglecting external forcings (such as wind), water level ten ...
, the average height of a water {{disambiguation, geo, surname