from The Century Dictionary.

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

from the GNU version of the Collaborative International Dictionary of English.

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


Sorry, no etymologies found.


Help support Wordnik (and make this page ad-free) by adopting the word brontograph.


    Sorry, no example sentences found.


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