Atmospherical

1. a. Dependent on the atmosphere.
2. a. Of or pertaining to the atmosphere; of the nature of, or resembling, the atmosphere; as, atmospheric air; the atmospheric envelope of the earth.
3. a. Existing in the atmosphere.
4. a. Caused, or operated on, by the atmosphere; as, an atmospheric effect; an atmospheric engine.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.