atmosphere
1.
2. The air or climate in a specific place.
3. Abbr. atm, atm. Physics. A unit of pressure equal to the air pressure at sea level, approximately equal to 1.01325 105 newtons per square meter.
4. A dominant intellectual or emotional tone or attitude, especially one related to a specific environment or state of affairs: a prevailing atmosphere of distrust.
5. The dominant tone or mood of a work of art.
6. An aesthetic quality or effect, especially a distinctive and pleasing one, associated with a particular place: a restaurant with an Old World atmosphere.
[New Latin atmosphaera : Greek atmos, vapor + Latin sphaera, sphere. See