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isobront. In DICTIOUS you will not only get to know all the dictionary meanings for the word
isobront, but we will also tell you about its etymology, its characteristics and you will know how to say
isobront in singular and plural. Everything you need to know about the word
isobront you have here. The definition of the word
isobront will help you to be more precise and correct when speaking or writing your texts. Knowing the definition of
isobront, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
English
Etymology
From iso- + Ancient Greek βροντή (brontḗ, “thunder”) (see bronto-).
Noun
isobront (plural isobronts)
- (meteorology) An isoline drawn through geographical points at which a given phase of thunderstorm activity occurred simultaneously.
1895, Thomas Russell, Meteorology, Weather, and Methods of Forecasting, pages 119–120:The lines joining the points where the first thunder is heard at the same instant of time are called "isobronts", or lines of equal front.
Sometimes the isobront is taken as the mean of the time when first and last thunder is heard at a place. This is the custom in France.
- (meteorology) An isoline drawn through geographical points which, on average, experience the same number of thundery days per year.
1925, C. E. P. Brooks, “The distribution of thunderstorms over the globe”, in Geophysical Memoirs, number 24, UK Air Ministry, Meteorological Office:On these charts isobronts, or lines of equal frequency of thunder, were drawn. These are shown in Figs. 1, 2 and 3, the data being expressed as percentages of days on which thunder was heard.
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