1.
millimeter; mm
A unit of length equal to one-thousandth of a meter. Short for ミリメートル and overwhelmingly the everyday spoken form.
2.
milli- (metric prefix); a thousandth
The metric prefix meaning one-thousandth, attached to other units such as grams, liters, or seconds.
Borrowed via French/Dutch 'milli'. In Japanese, ミリ alone almost always means millimeter (sense 1) — for other units, the full compound is used: ミリグラム (mg), ミリリットル (mL), ミリ秒 (ms).
Common collocations
- 数ミリ: several millimeters
- 何ミリ: how many millimeters?
- ミリ単位: down to the millimeter
- ミリメートル: full form, millimeter
- ミリグラム: milligram
- ミリリットル: milliliter
Similar words
- センチ: centimeter — the next unit up; common everyday length
- マイクロ: micro- (one-millionth)