isothere

isothere

[ahy-suh-theer]
noun Climatology.
a line on a weather map or chart connecting points that have the same mean summer temperature.

Origin:
1850–55; iso- + -there < Greek théros summer

isotheral [ahy-soth-er-uhl] , adjective
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World English Dictionary
isothere (ˈaɪsəʊˌθɪə)
 
n
Compare isocheim a line on a map linking places with the same mean summer temperature
 
[C19: from iso- + Greek theros summer]
 
isotheral
 
adj

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