diffract /di'fraekt; di'fraekt/ vt [VP6A] break up (a beam of light) into a series of dark and light bands or the coloured bands of the spectrum. 分解 (光線) 使成為明暗或七彩的光譜; 使繞射。→ the illus at spectrum. 參看 spectrum 之插圖。 diffraction /di'fraekjn; dffraekjan/ n