atmosphere

noun

1. 1

   a distinctive but intangible quality surrounding a person or thing

   an air of mystery

   the house had a neglected air

2. 2

   the mass of air surrounding the Earth

   there was great heat as the comet entered the atmosphere

   it was exposed to the air

3. 3

   the envelope of gases surrounding any celestial body

4. 4

   a unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and 0 degrees centigrade

5. 5

   the weather or climate at some place

   the atmosphere was thick with fog

6. 6

   a particular environment or surrounding influence

   there was an atmosphere of excitement