atmosphere

[ˈætməsˌfɪə]
n
the gaseous envelope surrounding the earth or any other celestial bodySee troposphere See stratosphere See mesosphere See ionosphere
the air or climate in a particular place
the atmosphere was thick with smoke
a general pervasive feeling or mood
an atmosphere of elation
the prevailing tone or mood of a novel, symphony, painting, or other work of art
a special mood or character associated with a place
any local gaseous environment or medium
an inert atmosphere
a unit of pressure; the pressure that will support a column of mercury 760 mm high at 0°C at sea level. 1 atmosphere is equivalent to 101 325 newtons per square metre or 14.72 pounds per square inchAbbreviations atAbbreviations atm