in the metric system the prefix micro- denotes millionth.
in the metric system the prefix micro- denotes?
millionth
micro-





























micro- (greek letter μ or legacy micro symbol µ) is a unit prefix in the metric system denoting a factor of 10 (one millionth). confirmed in 1960, the prefix comes from the greek (""), meaning "small".





























the symbol for the prefix comes from the greek letter μ (mu). it is the only si prefix which uses a character not from the latin alphabet. "mc" is commonly used as a prefix when the character "μ" is not available; for example, "mcg" commonly denotes a microgram. also the letter u instead of μ is allowed by one of the iso documents.
micro-
bullet::::- centimetre–gram–second system of units was the principal variant of the metric system that evolved in stages until it was superseded by si.





























bullet::::- gravitational metric system was a little-used variant of the metric system that normalised the acceleration due to gravity.





























bullet::::- metre–tonne–second system of units was a variant of the metric system used in french and russian industry between the first and second world wars.





























between 1812 and 1839 france used a quasi-metric system:





























bullet::::- mesures usuelles





























section::::history of the metric system.:history of metric units.





























bullet::::- history of the metre





























section::::politics of the metric system.
outline of the metric system