/dɪˈfrækt ||; dɪˈfrækt/verb [T] (
technical术语) (in physics 物理学) to break up a ray of light or a system of waves by passing them through a narrow opening or across an edge, causing patterns to form between the waves produced (
interference) 使(光、波)衍射
➔diffraction /dɪˈfrækʃn ||; dɪˈfrækʃən/ noun [U]