Isobront

Definitions

  • Webster's Revised Unabridged Dictionary
    • n Isobront (Meteor) An imaginary line, or a line on a chart, marking the simultaneous development of a thunderstorm, as noted by observing the time when the thunder is heard at different places.
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Century Dictionary and Cyclopedia
    • n isobront A line on a map or chart connecting those places at which a given peal of thunder is heard simultaneously.
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Chambers's Twentieth Century Dictionary
    • n Isobront ī′so-bront a line on a map connecting points at which a peal of thunder is heard simultaneously.
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Etymology

Webster's Revised Unabridged Dictionary
Iso-, + Gr. bronth` thunder
Chambers's Twentieth Century Dictionary
Gr. isos, equal, brontē, thunder.