Synonym: aerate, air out, air travel, air, airwave, atmosphere, aura, aviation, bare, beam, breeze, broadcast, gentle wind, line, melodic line, melodic phrase, melody, publicise, publicize, send, strain, transmit, tune, vent, ventilate, zephyr. Similar words: hair, pair, chair, stair, by air, unfair, fairly, impair. Meaning: [eə] 
n. 1. a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of 2. travel via aircraft 3. the region above the ground 4. medium for radio and television broadcasting 5. a slight wind (usually refreshing) 6. a distinctive but intangible quality surrounding a person or thing 7. the mass of air surrounding the Earth 8. a succession of notes forming a distinctive sequence 9. once thought to be one of four elements composing the universe (Empedocles). v. 1. expose to fresh air 2. be broadcast 3. broadcast over the airwaves, as in radio or television 4. make public 5. expose to warm or heated air, so as to dry 6. expose to cool or cold air so as to cool or freshen. adj. relating to or characteristic of or occurring in the air.
n. 1. a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of 2. travel via aircraft 3. the region above the ground 4. medium for radio and television broadcasting 5. a slight wind (usually refreshing) 6. a distinctive but intangible quality surrounding a person or thing 7. the mass of air surrounding the Earth 8. a succession of notes forming a distinctive sequence 9. once thought to be one of four elements composing the universe (Empedocles). v. 1. expose to fresh air 2. be broadcast 3. broadcast over the airwaves, as in radio or television 4. make public 5. expose to warm or heated air, so as to dry 6. expose to cool or cold air so as to cool or freshen. adj. relating to or characteristic of or occurring in the air. 
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181) Ways must be found to prevent the poisonous gases from polluting the air.
182) In remote regions, the air is pure and the crops are free of poisonous insecticides.
183) How do you manage to work in this heat without air conditioning?
184) A walk in the fresh air soon conjured her headache away.
185) Most office buildings have dozens of air ducts and vents.
186) The climax of the air show was a daring flying display.
187) The vacuum inside the tube caused it to implode when the external air pressure was increased.
188) The volcano spurted clouds of steam and ash high into the air.
189) The air temperature was well below freezing, and lakes and rivers froze over.
190) The rain cleared the air, and the grass smelt fresh and sweet.
191) We are sure that there is sb in the house because we see smoke rise straight up in the air.
192) I opened the window and filled my lungs with cool fresh air.
193) Sam was catapulted into the air by the force of the blast.
194) The bow twanged and the arrow whistled through the air.
195) When you want knowledge like you want air under water then you will get it.
196) Always in the air, flying from flower to flower, it has their freshness as well as their brightness. It lives upon their nectar,(www.Sentencedict.com) and dwells only in the climates where they perennially bloom.
197) If headaches only occur at night, lack of fresh air and oxygen is often the cause.
198) The air was thin and crisp, filled with hazy sunshine and frost.
199) Since the rain, the air had become heavy and still and sultry.
200) In the thirties, air travel really began to take off.
201) During his twelve years in Congress he has tussled with the chemical, drug and power companies on behalf of the ordinary person's right to breathe clean air.
202) The boys are walking on air because their team won the game.
203) You should air the clothes to get the damp out.
204) She opened all the windows wide to let some fresh air in.
205) The sounds of laughter and singing mingled in the evening air.
206) Factories are no longer allowed to pollute the air with black smoke.
207) The reason why we have to grow trees is that they can supply fresh air for us.
208) There is quite a chill in the air this morning.
209) The air was heavy with the perfume of the flower.
210) In 1937 he was seconded to the Royal Canadian Air Force in Ottawa as air armament adviser.