Cases of word usage

1) the general character or quality in a place; atmosphere (the more usual word) (ambience)

2) the area of the atmosphere and ground containing living things (biosphere)

3) vapour in the atmosphere at or near the earth's surface, thicker than mist and difficult to see through (fog)

4) a small body coming from outer space into the earth's atmosphere and becoming bright (as a shooting star) as it is burnt up (meteor)

5) an atmosphere of mystery, power etc that surrounds a (kind of) person, profession, object etc (mystique)

6) the moisture of the atmosphere falling as separate drops (rain)

7) without movement or sound; not having bubbles; (of an action, situation) continuing as in the past; a quiet and calm atmosphere (still)

8) (especially) the condition of the atmosphere for seeing things at a distance (visibility)