Definition:Metric System/Length/Micrometre
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Millimetre
The micrometre is a metric unit of length.
\(\displaystyle \) | \(\) | \(\displaystyle 1\) | micrometre | ||||||||||
\(\displaystyle \) | \(=\) | \(\displaystyle 10^{-3}\) | millimetre | ||||||||||
\(\displaystyle \) | \(=\) | \(\displaystyle 10^{-6}\) | metres |
Symbol
- $\mu \mathrm m$
The symbol for the micrometre is $\mu \mathrm m$.
Its $\LaTeX$ code is \mu \mathrm m
.
Also known as
A former name for the micrometre is the micron.
Linguistic Note
The spelling micrometre is the one adopted by the International Bureau of Weights and Measures. Micrometer is the variant used in standard American English.
See the linguistic note on metre.
Beware that the word micrometer is also used for a tool of a specific design for accurate measurements of small lengths (up to a few centimetres).
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): Entry: micron
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): Entry: micron