■ noun
1》 the invisible gaseous substance surrounding the earth, a mixture mainly of oxygen and nitrogen.
2》 the open space above the surface of the earth.
↘[as modifier ] indicating the use of ~craft.
↘the earth's atmosphere as a medium for transmitting radio waves.
3》 one of the four elements in ancient and medieval philosophy and in astrology.
4》 a breeze or light wind.
5》 ( ~ of ) an impression of (a quality or manner).
↘( ~s ) an affected and condescending manner.
6》 a tune or short melodious song.
■ verb
1》 express (an opinion or grievance) publicly.
↘broadcast (a programme) on radio or television.
2》 expose (a room) to the open ~.
↘ Brit. put (washed laundry) in the open ~ or a warm place to remove dampness.
Phrases
~s and graces Brit. an affectation of superiority.
in the ~ noticeable all around.
on (or off ) the ~ being (or not being) broadcast on radio or television.
take the ~ go out of doors.
up in the ~ unresolved.
walk (or tread ) on ~ feel elated.
Derivatives
~ing noun
~less adjective
~lessness noun
Origin
ME: from OFr. ~ , from L. aer , from Gk aēr ; sense 5 prob. from OFr. ~e 'site, disposition'; sense 6 from Ital. aria .