geotherm
/ (ˈdʒiːəʊˌθɜːm) /
noun
a line or surface within or on the earth connecting points of equal temperature
the representation of such a line or surface on a map or diagram
Words nearby geotherm
Example sentences from the Web for geotherm
The dotted line may be assumed to be a geotherm having a temperature of viscosity.
The Birth-Time of the World and Other Scientific Essays |J. (John) Joly