Definition
密度 (mì dù) is a noun meaning 'density' — how much mass is in a given volume (e.g., water vs. oil). It can also describe concentration (traffic density). 厚度 (hòu dù) is 'thickness' (a linear dimension, like the thickness of a board); 宽阔 (kuān kuò) is an adjective for 'wide, expansive' (physical or abstract).
noun
density
Examples
- 密度。Zhège chéngshì de jiāotōng mì dù hěn gāo.This city has a high traffic density.
- 密度。Shuǐ de mì dù bǐ yóu dà.Water has a higher density than oil.
- 密度。Jìsuàn mì dù xūyào zhīdào zhìliàng hé tǐjī.To calculate density, you need to know the mass and volume.
Browse more HSK 6 words or search the full 43,000-word dictionary.