atmospheric

Concise Oxford English Dictionary © 2008 Oxford University Press:
atmosphere/ˈatməsfɪə(r)/

▶noun

• 1 the envelope of gases surrounding the earth or another planet.

  ■ the air in a particular place.

• 2 a pervading tone or mood.

  ■ a pleasurable and interesting or exciting mood.

• 3 Physics a unit of pressure equal to mean atmospheric pressure at sea level, 101,325 pascals (roughly 14.7 pounds per square inch).

– derivatives
atmospheric adjective,
atmospherical adjective (archaic),
atmospherically adverb.

– origin C17: from mod. L. atmosphaera, from Gk atmos ‘vapour’ + sphaira ‘globe’.