Air Dampness That's Absent in the Desert
This page is the CodyCross answer for the clue below from Underground Worlds, Group 2170, Puzzle 3 (Quartz and Obsidian).
Question is: Air Dampness That's Absent in the Desert
and the answer is: HUMIDITY
Word Meaning:
HUMIDITY — Dampness, especially that of the air.
Definitions from Wiktionary.