Upper-atmosphere layer Crossword Clue
While searching our database we found 1 possible solution for the: Upper-atmosphere layer crossword clue. This crossword clue was last seen on October 28 2025 Newsday Crossword puzzle. The solution we have for Upper-atmosphere layer has a total of 5 letters.
| Rank | Answer | Clue | Publisher |
|---|---|---|---|
| 99% | OZONE | Upper-atmosphere layer | Newsday |
Definition
| • | A colorless gaseous substance (O/) obtained (as by the silent discharge of electricity in oxygen) as an allotropic form of oxygen, containing three atoms in the molecule. It is a streng oxidizer, and probably exists in the air, though by he ordinary tests it is liable to be confused with certain other substances, as hydrogen dioxide, or certain oxides of nitrogen. It derives its name from its peculiar odor, which resembles that of weak chlorine. |
Recent Usage in Crossword Puzzles:
- Newsday: Oct 28, 2025
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