萤光 Traditional form: 螢光 Pinyin (reading): yíngguāng Definitions: Taiwan variant of 熒光/荧光 (yíngguāng) Characters: 萤 - firefly, glow-worm 光 - light; bright, brilliant; only, merely Traditional characters: 螢 - firefly, glow-worm 光 - light; bright, brilliant; only, merely