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  2. Gram - Wikipedia

    en.wikipedia.org/wiki/Gram

    The gram (originally gramme; [1] SI unit symbol g) is a unit of mass in the International System of Units (SI) equal to one thousandth of a kilogram.. Originally defined as of 1795 as "the absolute weight of a volume of pure water equal to the cube of the hundredth part of a metre [1 cm 3], and at the temperature of melting ice", [2] the defining temperature (≈0 °C) was later changed to 4 ...

  3. ISO 3166-1 alpha-2 - Wikipedia

    en.wikipedia.org/wiki/ISO_3166-1_alpha-2

    The European Commission generally uses ISO 3166-1 alpha-2 codes with two exceptions: EL (not GR) is used to represent Greece, and UK (not GB) is used to represent the United Kingdom. [ 10 ] [ 11 ] This notwithstanding, the Official Journal of the European Communities specified that GR and GB be used to represent Greece and United Kingdom ...

  4. ISO 3166-2:GR - Wikipedia

    en.wikipedia.org/wiki/ISO_3166-2:GR

    ISO 3166-2:GR is the entry for Greece in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO) which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1.

  5. Grain (unit) - Wikipedia

    en.wikipedia.org/wiki/Grain_(unit)

    The tower "wheat" grain was defined as exactly + 45 ⁄ 64 (≈ + 3 ⁄ 4) of the troy "barley" grain. [ 1 ] : 74 Since the implementation of the international yard and pound agreement of 1 July 1959, the grain or troy grain (symbol: gr ) measure has been defined in terms of units of mass in the International System of Units as precisely 64.798 ...

  6. Mass in general relativity - Wikipedia

    en.wikipedia.org/wiki/Mass_in_general_relativity

    Because a stationary system also has a well defined rest frame in which its momentum can be considered to be zero, defining the energy of the system also defines its mass. In general relativity, this mass is called the Komar mass of the system. Komar mass can only be defined for stationary systems. Komar mass can also be defined by a flux integral.

  7. METAR - Wikipedia

    en.wikipedia.org/wiki/METAR

    Graupel [French: Grésil], snow pellets and/or small hail (not in the US). [note 3] [18] Elsewhere hail is GR when it is 5 mm or greater [19] Outside of the US when the hail is less than 5 mm the code GS is used. [19]) Precipitation GR Hail [French: Grêle] (in the US includes small hail) [note 3] Precipitation PL Ice pellets: Precipitation IC ...

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  9. Internationalized domain name - Wikipedia

    en.wikipedia.org/wiki/Internationalized_domain_name

    Example of Greek IDN with domain name in non-Latin alphabet: ουτοπία.δπθ.gr (Punycode is xn--kxae4bafwg.xn--pxaix.gr)An internationalized domain name (IDN) is an Internet domain name that contains at least one label displayed in software applications, in whole or in part, in non-Latin script or alphabet [a] or in the Latin alphabet-based characters with diacritics or ligatures.