opalescentEnglishOxford English Thesaurusopalescent adjective the dress is embroidered with opalescent sequins: multicoloured, many-hued, prismatic, rainbow-like, kaleidoscopic, iridescent, lustrous, shimmering, glittering, sparkling, scintillating, variegated, shot, moiré, opaline, milky, pearly, nacreous, pearlescent.opalescent Oxford Dictionary of English