isobront
[ahy-suh-bront]
- a line on a weather map or chart connecting various points where a given phase of thunderstorm activity occurred simultaneously.
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Origin of isobront
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
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Historical Examples
Isobront, ī′so-bront, n. a line on a map connecting points at which a peal of thunder is heard simultaneously.