Micron
Renewable Energy
One thousandth of a millimeter.
- — ODOE Glossary of Energy Terms retrieved 2014-06-15
Water
A unit of length equal to one millionth of a meter, and one thousandth of a millimeter. One inch equals 25,400 microns.
Weather
Unit of length equal to one thousandth (1/1000) of a millimeter; one millionth (1/1000000) of a meter (1x10-6 m).