isobront
noun
iso·bront
variants or less commonly isobronton
-äntᵊn,
ˌ⸗⸗ˈ⸗⸗,
ˌ⸗⸗ˈbrän‧ˌtän
: a line on a chart marking the simultaneous development of a thunderstorm at different points on the earth's surface
Word History
Etymology
isobront International Scientific Vocabulary is- + -bront (from Greek brontē thunder); isobronton from is- + -bronton (from Greek brontē thunder)