0 the mixture of gases that surrounds the earth and that we breathe:
2 manner or appearance:
She has an air of confidence about her.
3 If a programme or a person is on/off (the) air, they are/are not broadcasting on radio or television:
Bach's Air on a G String
5 to make opinions or complaints known to other people:
He'll air his views on the war whether people want to listen or not.
Putting a complaint in the suggestions box is one way of airing your grievances.
His pockets had to be emptied of doofers from time to time, and aired.
In addition, one of the engines drove a high-pressure fan that forced foul air from the refuse on the tipping platform across the fire.
All samples were air-dried and sieved to pass through 2 mm mesh.
Currently, allowed emission standards have been set for 28 air pollutants and 29 water pollutants.
Each drop of rain changes the form; even the wind and the air itself, invisible to our eyes, etches its presence.
Subsequently, saltation begins when particles move vertically into the air by a distance of the order of their diameter.
Over two-thirds of urban air pollution is generated by transportation, while virtually all the remainder are due to other petroleum-using activities.
The evolution of the turbulent velocity field in these air data is far more coherent than were such measurements in water.
