the mixture of gases that forms the earth's atmosphere. At sea level dry air has a density of 1.226 kilograms per cubic metre and consists of 78.08 per cent nitrogen, 20.95 per cent oxygen, 0.93 per cent argon, 0.03 per cent carbon dioxide, with smaller quantities of ozone and inert gases; water vapour varies between 0 and 4 per cent and in industrial areas sulphur gases may be present as pollutants

the space above and around the earth; sky

breeze; slight wind

public expression; utterance

a distinctive quality

a person's distinctive appearance, manner, or bearing

transportation in aircraft (esp in the phrase by air)

the height gained when getting airborne in surfing, snowboarding, etc

of or relating to a group of three signs of the zodiac, Gemini, Libra, and Aquarius

to expose or be exposed to the air so as to cool or freshen; ventilate

to expose or be exposed to warm or heated air so as to dry

to make known publicly; display; publicize

(of a television or radio programme) to be broadcast

All India Radio

a mountainous region of N central Niger, in the Sahara, rising to 1500 m (5000 ft): a former native kingdom. Area: about 77 700 sq km (30 000sq miles)