Webbioluminescence uk / ˌbaɪ.əʊ.luː.mɪˈnes.əns/ us / ˌbaɪ.oʊ.luː.məˈnes.əns/ noun. light created by the body of a living creature, for example by some sea creatures and insects such as fireflies: Plankton float in the ocean current, sparkling with bioluminescence. 浮游生物漂浮在洋流中,星星点点地闪着荧光。.