Clue: Stratosphere layer

Answer: OZONE

Length: 5

---

Similar Clues:

• Like fresh layer cake (MOIST with 5 letters)
• Applying a layer (COATING with 7 letters)
• Vascular eye layer (UVEA with 4 letters)
• Barnyard layers (HENS with 4 letters)
• Ozone layer concern (HOLE with 4 letters)
• Cloth layer (PLY with 3 letters)
• Wedding-cake layer (TIER with 4 letters)
• Gem with two layers (CAMEO with 5 letters)
• Iris layers (UVEAS with 5 letters)
• Thin layer of gold (GILT with 4 letters)