unthawing

Adjective

 * 1) That does not thaw; eternally frozen.
 * 2) * ca 1888, H. P. Blavatsky, The Secret Doctrine: The Synthesis of Science, Religion, and Philosophy, Volume II, Anthropogenesis, pages 423&mdash;424:
 * So early, in truth, that in the days when tropical nature was to be found, where now lie eternal unthawing snows, one could cross almost by dry land from Norway via Iceland and Greenland, to the lands that at present surround Hudson's Bay.