mil·li·me·ter (mĭl'ə-mē'tər) n. Abbr. mm A unit of length equal to one thousandth (10-3) of a meter, or 0.0394 inch. See Table at measurement. |
millimeter mil·li·me·ter (mĭl'ə-mē'tər)
n.
Abbr. mm A unit of length equal to one thousandth (10-3) of a meter (0.0394 inch).