I'so-gē'o-thērm'al, a.
a. Pertaining to, or having the nature of, an isogeotherm; as, an isogeothermal line or surface; illustrating differences of temperature by means of isogeotherms; as, an isogeothermal chart.
a. Pertaining to, or having the nature of, an isogeotherm; as, an isogeothermal line or surface; illustrating differences of temperature by means of isogeotherms; as, an isogeothermal chart.