密度 mìdù density
density; concentration
How to remember 密度: 密 secret + 度 degree = density.
Characters
How it is used
- Density - how tightly packed something is: 人口密度 (rénkǒu mìdù) population density, 骨密度 (bone density).
- Both physics (mass per volume) and everyday 'concentration per area/space.'
- Measurable/technical; pairs with 高/低/大/小.
Example sentences
- 日本的人口密度很高。 Rìběn de rénkǒumìdù hěn gāo.Japan has a high population density.