灯芯 Traditional form: 燈芯 Pinyin (reading): dēngxīn Definitions: see 燈心/灯心 (dēngxīn) Characters: 灯 - lamp, lantern, light 芯 - core, pith; the pith of a rush (Juncus effusus) Traditional characters: 燈 - lamp, lantern, light 芯 - core, pith; the pith of a rush (Juncus effusus)