• synonyms


  1. a line or surface within or on the earth connecting points of equal temperature
  2. the representation of such a line or surface on a map or diagram
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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

Examples from the Web for geotherm

Historical Examples

  • 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