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  2. History of the metre - Wikipedia

    en.wikipedia.org/wiki/History_of_the_metre

    An early definition of the metre was one ten-millionth of the Earth quadrant, the distance from the North Pole to the Equator, measured along a meridian through Paris.. During French Revolution, the traditional units of measure were to be replaced by consistent measures based on natural phenomena.

  3. List of obsolete units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_obsolete_units_of...

    First used in Quibi's own Super Bowl LIII advertising campaign, this word saw small amounts of ironic adoption. Rood – a unit of area or length; Sack – originally a medieval unit of mass, equal to 26 stone (364 pounds, or about 165 kg). Since a unit of dry volume, equal to 24 imperial gallons (about 109 liters). Schoenus – a unit of area ...

  4. Metre - Wikipedia

    en.wikipedia.org/wiki/Metre

    The metre (or meter in US spelling; symbol: m) is the base unit of length in the International System of Units (SI). Since 2019, the metre has been defined as the length of the path travelled by light in vacuum during a time interval of ⁠ 1 / 299 792 458 ⁠ of a second , where the second is defined by a hyperfine transition frequency of ...

  5. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    The myriameter [147] (sometimes also spelled myriometer; 10,000 meters) is a deprecated unit name; the decimal metric prefix myria-[98] (sometimes also written as myrio-[148] [149] [150]) is obsolete [99] [100] [101] and was not included among the prefixes when the International System of Units was introduced in 1960.

  6. History of the metric system - Wikipedia

    en.wikipedia.org/wiki/History_of_the_metric_system

    Despite the law, the populace continued to use the old measures. In 1812, Napoleon revoked the law and issued one called the mesures usuelles, restoring the names and quantities of the customary measures but redefined as round multiples of the metric units, so it was a kind of hybrid system. In 1837, after the collapse of the Napoleonic Empire ...

  7. 75 old-fashioned boy names that are ready for a comeback

    www.aol.com/news/75-old-fashioned-boy-names...

    Whether you are inspired by classic names with a vintage feel or simply want to revive a vintage name, here are 75 old-fashioned boy names to consider for your son: Albert Alvin

  8. Millionth - Wikipedia

    en.wikipedia.org/wiki/Millionth

    One millionth is equal to 0.000 001, or 1 x 10 −6 in scientific notation. It is the reciprocal of a million, and can be also written as 1 ⁄ 1,000,000. [1] Units using this fraction can be indicated using the prefix "micro-" from Greek, meaning "small". [2] Numbers of this quantity are expressed in terms of μ (the Greek letter mu). [3]

  9. Unit of time - Wikipedia

    en.wikipedia.org/wiki/Unit_of_time

    One millionth of a second. Symbol is μs millisecond: 10 −3 s: One thousandth of a second. Shortest time unit used on stopwatches. jiffy (electronics) ~ 10 −3 s: Used to measure the time between alternating power cycles. Also a casual term for a short period of time. centisecond: 10 −2 s: One hundredth of a second. decisecond: 10 −1 s ...