dispersion
/dɪˈspɜːʃən/noun
mass noun
1- the action or process of distributing or spreading things or people over a wide area分散; 散布：
some seeds rely on birds for dispersion.
有些种子靠鸟来传播。
1.1
- the state of being dispersed over a wide area分布; 散布：
the study looks at the dispersion of earnings with OECD member countries.
该研究着眼于经合组织成员国的收入分布。
1.2
- Ecology the pattern of distribution of individuals within a habitat【生态】分布。
1.4
- count noun a mixture of one substance dispersed in another medium弥散, 扩散：
the virus is transmitted in the dispersion of droplets which results from sneezing or coughing.
病毒就是通过打喷嚏或咳嗽形成的飞沫传播的。
1.5
- Physics the separation of white light into colours or of any radiation according to wavelength【物理】色散; 频散; 弥散。
1.6
- Statistics the extent to which values of a variable differ from a fixed value such as the mean【统计】离中趋势, 离散度, 离差。
词源
late Middle English: from late Latin dispersio（n-）， from Latin dispergere （see DISPERSE）.