名詞 mil:

1. a unit of length equal to one thousandth of an inch; used to specify thickness (e.g., of sheets or wire)
2. a Cypriot monetary unit equal to one thousandth of a pound
3. a metric unit of volume equal to one thousandth of a liter
   同義詞：milliliter, millilitre, ml, cubic centimeter, cubic centimetre, cc
4. an angular unit used in artillery; equal to 1/6400 of a complete revolution

mil

n.（名詞）
A unit of length equal to one thousandth (0-3) of an inch (0.0254 millimeter), used, for example, to specify the diameter of wire or the thickness of materials sold in sheets.
密耳：長度單位，等于一英寸的千分之一(0-3)(0.0254毫米），如用來標明電線的直徑或按頁出售的材料的厚度
A milliliter; one cubic centimeter.
毫升；立方厘米
A unit of angular measurement used in artillery and equal to !/'400 of a complete revolution.
角密耳：用于調(diào)整大炮射角的單位，等于!/'400周角

來源：
Short for Latin mollôsimus [thousandth]
拉丁語 mollôsimus的簡寫 [第一千]
from Latin molle [thousand] * see gheslo-
源自 拉丁語 molle [一千] *參見 gheslo-