noun iso·bront
variants: less commonly


Definition of isobront

  1. :  a line on a chart marking the simultaneous development of a thunderstorm at different points on the earth's surface

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of isobront

isobront International Scientific Vocabulary is- + -bront (from Greek brontē thunder); isobronton from is- + -bronton (from Greek brontē thunder) — more at bront-

Seen and Heard

What made you want to look up isobront? Please tell us where you read or heard it (including the quote, if possible).


to cast off or become cast off

Get Word of the Day daily email!