dispersion

n (a) [U] dispersal, esp of light 分散; 消散; （尤指光的）色散. (b) the Dispersion [sing] = the Diaspora.

disparagement, disparagingly, disparate, disparately, disparity, dispassionate, dispassionately, dispatch, dispatch (also despatch), dispatch-box, dispatch-rider, dispel, dispensable, dispensary, dispensation, dispense, dispenser, dispersal, disperse, dispersed, dispirit, dispirited, dispiritedly, dispiriting, displace, displaced person, displacement, display, displease, displeased, displeasing, displeasingly, displeasure, disport, disposable, disposal, dispose, dispose of, disposed, disposition,