柯林斯詞典flashbulb /?fl???b?lb/ (also flash bulb) (flashbulbs) 1. N-COUNT A flashbulb is a small bulb that can be attached to a camera. It makes a bright flash of light so that you can take photographs indoors. 閃光燈泡 返回 flashbulb劍橋詞典a small electric light that can be attached to a camera and makes a bright flash so that photographs can be taken inside or when it is dark （照相機的）閃光燈泡 返回 flashbulb