資料來源 : pyDict

雷暴自記器; 雷雨表

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Brontograph \Bron"to*graph\, n. [Gr. ? thunder + -graph.]
   (Meteor.)
   (a) A tracing or chart showing the phenomena attendant on
       thunderstorms.
   (b) An instrument for making such tracings, as a recording
       brontometer.