from the GNU version of the Collaborative International Dictionary of English

  • n. A tracing or chart showing the phenomena attendant on thunderstorms.
  • n. An instrument for making such tracings, as a recording brontometer.

from The Century Dictionary and Cyclopedia

  • n. Same as brontometer.
  • n. An apparatus devised by Marvin (1899) for recording any wave of sound, as thunder or the discharge of a cannon.
  • n. A map or diagram showing the progress of the front of a thunder-storm by means of isobronts or equivalent lines for successive hours.


Sorry, no etymologies found.


    Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.