Alphabetical index
mega
Prefix for a multiple of 1 000 000, symbol: M.
metre
Unit of measurement of length, symbol: m.
(To avoid ambiguity, avoid using “m” to denote “mile” or “millions”.)
micro
Prefix for a subdivision of 0.000 001 or 1/1 000 000, symbol µ.
milli
Prefix for a subdivision of 0.001 or 1/1000, symbol: m.
minute (plane angle)
Unit of measurement of plane angle, non-SI but accepted for use with SI, symbol: ‘.
minute (time)
Unit of measurement of time, non-SI but accepted for use with SI, symbol: min.
mole
Unit of measurement of substance, symbol: mol.
