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isogeotherm

[ahy-suh-jee-uh-thurm]
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noun
  1. an imaginary line connecting all points within the earth having the same mean temperature.

Origin of isogeotherm

First recorded in 1860–65; iso- + geo- + therm
Also called geoisotherm.
Related formsi·so·ge·o·ther·mal, i·so·ge·o·ther·mic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for isogeotherm

isogeotherm

noun
  1. an imaginary line below the surface of the earth connecting points of equal temperature
Derived Formsisogeothermal or isogeothermic, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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