dispersive          
adjective uk/dɪˈspɜː.sɪv/ us/dɪˈspɝː.sɪv/
 分散的
involving or causing dispersion (= the spreading of something across a large area)
  There was an international agreement to ban the dispersive use of ozone-depleting chemicals. 
a dispersive effect 分散效应 
  physics specialized色散的 
involving or causing dispersion of light (= its separation into different colours)
  Dispersive instruments use prisms to separate radiation of different frequencies. 色散仪使用棱镜来分离不同频率的辐射。 
 Opposite: non-dispersive
 - More examples
 - They use dispersive winged aphids to ensure that populations mostly remain at low densities.
 - The production of CFC gases for dispersive use began to be phased out during the 1990s.
 - They used energy dispersive X-ray microanalysis.
 - Metamaterials are dispersive, meaning the angle of refraction depends very sensitively on the frequency of light.