isothere
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isothere
(ˈaɪsəʊˌθɪə)n
(Physical Geography) a line on a map linking places with the same mean summer temperature. Compare isocheim
[C19: from iso- + Greek theros summer]
isotheral adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014