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Myrio is an obsolete prefix in the SI system of units that denoted a factor of 10−4 (one ten-thousandth). Its symbol was mo.
The prefix came from the Greek μύριοι (mýrioi), meaning both ten thousand and "an indefinite large number". Adopted in France in 1795, it was not included when the SI prefixes were internationally agreed by the 11th CGPM in 1960.
Obsolete SI prefixes
| 10n
| Prefix
| Symbol
| Number name
| Decimal equivalent
|
| 104
| myria
| ma
| Myriad (ten thousand)
| 10 000
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| 10−4
| myrio
| mo
| Myriadth (ten thousandth)
| 0.000 1
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| Also obsolete are double prefixes, such as those formerly used in micromicrofarads, hectokilometres, micromillimetres, etc.
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| edit (http://www.wordiq.com/definition/Template:Obsolete_SI_prefixes)
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See also
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