The Collaborative International Dictionary
Isogeothermal
Isogeothermal \I`so*ge`o*ther"mal\, Isogeothermic \I`so*ge`o*ther"mic\, a. Pertaining to, having the nature of, or marking, isogeotherms; as, an isogeothermal line or surface; as isogeothermal chart. -- n. An isogeotherm.
Usage examples of "isogeothermal".
These must be attributed to changes of temperature in the interior of the globe, and to the direction in the progress of subterranean fires, which it may also be expected will change the isogeothermal lines.