from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Both dry and hot: a xerothermic climate.
  • adj. Adapted to or flourishing in an environment that is both dry and hot: xerothermic organisms.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Both hot and dry
  • adj. That flourishes in hot, dry conditions

from The Century Dictionary and Cyclopedia

  • Dry and hot; arid and warm: describing a climatic condition similar to that of the steppes of southern Russia.


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