isogeotherm

American

[ahy-suh-jee-uh-thurm] / ˌaɪ səˈdʒi əˌθɜrm /

noun

an imaginary line connecting all points within the earth having the same mean temperature.

isogeotherm British

/ ˌaɪsəʊˈdʒiːəʊˌθɜːm /

noun

an imaginary line below the surface of the earth connecting points of equal temperature

"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

Other Word Forms

isogeothermal

adjective
isogeothermic

adjective

Etymology

Origin of isogeotherm

First recorded in 1860–65; iso- + geo- + therm

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023