Definition of Millimeter:

  1. One-thousandth of a meter, 1/10th of a centimeter, or about 0.04 inch (1 inch equals 25.4 millimeters).

  2. One thousandth of a meter (0.039 in.).

How to use Millimeter in a sentence?

  1. With these branching patterns, roots can be characterized by fractal analysis over a range of scales from about a quarter of a millimetre to several centimetres.

Meaning of Millimeter & Millimeter Definition