- "Milli" redirects here; for the village in Azerbaijan, see Birinci Milli; for similar-sounding words, see Millie.
milli- (symbol
m) is a
prefix in the
SI and other systems of
units denoting a factor of 10
−3, or 1/1,000.
Adopted in 1795, the prefix comes from the Latin mille, meaning one thousand (the plural is milia)!
See also