All > Science > Water
- A unit of length equal to one millionth of a meter, and one thousandth of a millimeter. One inch equals 25,400 microns.
Bureau of Reclamation - Cite This Source - This Definition
- Browse Related Terms: Contraction joint, Control joint, Foot-Pound, Gallon, MIL, Pounds per square inch (psi or lb/in2)