发光二极体 fāguāng'èrjítǐ LED Origin Definitions Defs Strokes Stroke Words Sentences Sents 发光 發光 fāguāng verb + noun to shine or to luminesce to emit or give out light, to exhibit luminescence, or to glow, glisten, or be luminous二极体 二極體 èrjítǐ diode An electronic component made from two different semiconductor materials that allows current to flow in only one direction; also called 二极管 èrjíguǎn.