mil

1. An angular mil, a unit of angular measurement equal to ¹⁄₆₄₀₀ of a complete circle. At 1000 metres one mil subtends about one metre (0.98 m). Also ¹⁄₆₀₀₀ and ¹⁄₆₃₀₀ are used in other countries.
2. A unit of measurement equal to ¹⁄₁₀₀₀ of an inch (25.4 µm), usually used for thin objects, such as sheets of plastic.
3. A former subdivision (¹⁄₁₀₀₀) of the Maltese lira.
4. (informal) Abbreviation of million.
5. (informal) Clipping of milliliter; mL.