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36 relations: Albert Einstein, Arc length, Area, Astronomical unit, Astronomy, Base unit (measurement), Centimetre, Cubit, Dimension, Distance, Foot (unit), Geometry, Height, Imperial units, Inch, International System of Quantities, International System of Units, Kilometre, Light-year, Measurement, Metre, Mile, Orders of magnitude (length), Parsec, Reciprocal length, SI base unit, Smoot, Special relativity, Speed of light, System of measurement, Unit of length, Unit of measurement, United States customary units, Volume, Wire, Yard.
Albert Einstein
Albert Einstein (14 March 1879 – 18 April 1955) was a German-born theoretical physicist who developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics).
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Arc length
Determining the length of an irregular arc segment is also called rectification of a curve.
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Area
Area is the quantity that expresses the extent of a two-dimensional figure or shape, or planar lamina, in the plane.
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Astronomical unit
The astronomical unit (symbol: au, ua, or AU) is a unit of length, roughly the distance from Earth to the Sun.
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Astronomy
Astronomy (from ἀστρονομία) is a natural science that studies celestial objects and phenomena.
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Base unit (measurement)
A base unit (also referred to as a fundamental unit) is a unit adopted for measurement of a base quantity.
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Centimetre
A centimetre (international spelling as used by the International Bureau of Weights and Measures; symbol cm) or centimeter (American spelling) is a unit of length in the metric system, equal to one hundredth of a metre, centi being the SI prefix for a factor of.
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Cubit
The cubit is an ancient unit of length that had several definitions according to each of the various different cultures that used the unit.
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Dimension
In physics and mathematics, the dimension of a mathematical space (or object) is informally defined as the minimum number of coordinates needed to specify any point within it.
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Distance
Distance is a numerical measurement of how far apart objects are.
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Foot (unit)
The foot (feet; abbreviation: ft; symbol: ′, the prime symbol) is a unit of length in the imperial and US customary systems of measurement.
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Geometry
Geometry (from the γεωμετρία; geo- "earth", -metron "measurement") is a branch of mathematics concerned with questions of shape, size, relative position of figures, and the properties of space.
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Height
Height is the measure of vertical distance, either how "tall" something or someone is, or how "high" the position is.
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Imperial units
The system of imperial units or the imperial system (also known as British Imperial or Exchequer Standards of 1825) is the system of units first defined in the British Weights and Measures Act of 1824, which was later refined and reduced.
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Inch
The inch (abbreviation: in or &Prime) is a unit of length in the (British) imperial and United States customary systems of measurement now formally equal to yard but usually understood as of a foot.
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International System of Quantities
The International System of Quantities (ISQ) is a system based on seven base quantities: length, mass, time, electric current, thermodynamic temperature, amount of substance, and luminous intensity.
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International System of Units
The International System of Units (SI, abbreviated from the French Système international (d'unités)) is the modern form of the metric system, and is the most widely used system of measurement.
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Kilometre
The kilometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: km; or) or kilometer (American spelling) is a unit of length in the metric system, equal to one thousand metres (kilo- being the SI prefix for). It is now the measurement unit used officially for expressing distances between geographical places on land in most of the world; notable exceptions are the United States and the road network of the United Kingdom where the statute mile is the official unit used.
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Light-year
The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.
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Measurement
Measurement is the assignment of a number to a characteristic of an object or event, which can be compared with other objects or events.
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Metre
The metre (British spelling and BIPM spelling) or meter (American spelling) (from the French unit mètre, from the Greek noun μέτρον, "measure") is the base unit of length in some metric systems, including the International System of Units (SI).
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Mile
The mile is an English unit of length of linear measure equal to 5,280 feet, or 1,760 yards, and standardised as exactly 1,609.344 metres by international agreement in 1959.
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Orders of magnitude (length)
The following are examples of orders of magnitude for different lengths.
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Parsec
The parsec (symbol: pc) is a unit of length used to measure large distances to astronomical objects outside the Solar System.
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Reciprocal length
Reciprocal length or inverse length is a measurement used in several branches of science and mathematics.
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SI base unit
The International System of Units (SI) defines seven units of measure as a basic set from which all other SI units can be derived.
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Smoot
The smoot is a nonstandard, humorous unit of length created as part of an MIT fraternity prank.
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Special relativity
In physics, special relativity (SR, also known as the special theory of relativity or STR) is the generally accepted and experimentally well-confirmed physical theory regarding the relationship between space and time.
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Speed of light
The speed of light in vacuum, commonly denoted, is a universal physical constant important in many areas of physics.
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System of measurement
A system of measurement is a collection of units of measurement and rules relating them to each other.
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Unit of length
A unit of length refers to any discrete, pre-established length or distance having a constant magnitude which is used as a reference or convention to express linear dimension.
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Unit of measurement
A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity.
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United States customary units
United States customary units are a system of measurements commonly used in the United States.
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Volume
Volume is the quantity of three-dimensional space enclosed by a closed surface, for example, the space that a substance (solid, liquid, gas, or plasma) or shape occupies or contains.
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Wire
A wire is a single, usually cylindrical, flexible strand or rod of metal.
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Yard
The yard (abbreviation: yd) is an English unit of length, in both the British imperial and US customary systems of measurement, that comprises 3 feet or 36 inches.
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References
[1] https://en.wikipedia.org/wiki/Length
