Air Definition–noun | 1. | a mixture of nitrogen, oxygen, and minute amounts of other gases that surrounds the earth and forms its atmosphere. |
| 2. | a stir in the atmosphere; a light breeze. |
| 3. | overhead space; sky: The planes filled the air. |
| 4. | circulation; publication; publicity: to give air to one's theories. |
| 5. | the general character or complexion of anything; appearance: His early work had an air of freshness and originality. |
| 6. | the peculiar look, appearance, and bearing of a person: There is an air of mystery about him. |
| 7. | airs, affected or unnatural manner; manifestation of pride or vanity; assumed haughtiness: He
785
acquired airs that were insufferable to his friends. |
| 8. | Music.
| b. | the soprano or treble part. |
| d. | Also, ayre. an Elizabethan art song. |
|
| 9. | aircraft as a means of transportation: to arrive by air; to ship goods by air. |
| 10. | Informal. air conditioning or an air-conditioning system: The price includes tires, radio, and air. |
| 11. | Radio. the medium through which radio waves are transmitted. |
–verb (used with object) | 13. | to expose to the air; give access to the open air; ventilate (often fol. by out): We air the bedrooms every day. |
| 14. | to expose ostentatiously; bring to public notice; display: to air one's opinions; to air one's theories. |
| 15. | to broadcast or televise. |
–verb (used without object) | 16. | to be exposed to the open air (often fol. by out): Open the window and let the room air out. |
| 17. | to be broadcast or televised. |
–adjective | 18. | operating by means of air pressure or by acting upon air: an air drill; an air pump. |
| 19. | of or pertaining to aircraft or to aviation: air industry. |
| 20. | taking place in the air; aerial: air war. |
—Idioms| 21. | clear the air, to eliminate dissension, ambiguity, or tension from a discussion, situation, etc.: The staff meeting was intended to help clear the air. |
| 22. | get the air, Informal. | a. | to be rejected, as by a lover. |
| b. | to be dismissed, as by an employer: He had worked only a few days when he got the air. |
|
| 23. | give (someone) the air, Informal. | a. | to reject, as a lover: He was bitter because she gave him the air. |
| b. | to dismiss, as an employee. |
|
| 24. | in the air, in circulation; current: There's a rumor in the air that we're moving to a new location. |
| 25. | into thin air, completely out of sight or reach: He vanished into thin air. |
| 26. | off the air, | a. | not broadcasting: The station goes off the air at midnight. |
| b. | not broadcast; out of operation as a broadcast: The program went off the air years ago. |
| c. | (of a computer) not in operation. |
|
| 27. | on the air, | a. | in the act of broadcasting; being broadcast: The program will be going on the air in a few seconds. |
| b. | (o
5b5
f a computer) in operation. |
|
| 28. | put on airs, to assume an affected or haughty manner: As their fortune increased, they began to put on airs. |
| 29. | take the air, | a. | to go out-of-doors; take a short walk or ride. |
| b. | Slang. to leave, esp. hurriedly. |
|
| 30. | up in the air, | a. | Also, in the air. undecided or unsettled: The contract is still up in the air. |
| b. | Informal. angry; perturbed: There is no need to get up in the air over a simple mistake. |
|
| 31. | walk or tread on air, to feel very happy; be elated. |
From DictionaryPurifier Definition–verb (used with object) | 1. | to make pure; free from anything that debases, pollutes, adulterates, or contaminates: to purify metals. |
| 2. | to free from foreign, extraneous, or objectionable elements: to purify a language. |
| 3. | to free from guilt or evil. |
| 4. | to clear or purge (usually fol. by of or from). |
| 5. | to make clean for ceremoni
92a
al or ritual use. |
–verb (used without object) |
From DictionaryFilter Definition–noun | 1. | any substance, as cloth, paper, porous porcelain, or a layer of charcoal or sand, through which liquid or gas is passed to remove suspended impurities or to recover solids. |
| 2. | any device, as a tank or tube, containing such a substance for filtering. |
| 3. | any of various analogous devices, as for removing dust from air or impurities from tobacco smoke, or for eliminating certain kinds of light rays. |
| 4. | Informal. a filter-tipped cigarette or cigar. |
| 5. | Photography. a lens screen of dyed gelatin or glass for controlling the rendering of color or for diminishing the intensity of light. |
| 6. | Electronics, Physics. a circuit or device that passes certain frequencies and blocks others. |
| 7. | Mathemat
d27
ics. a collection of subsets of a topological space, having the properties that the intersection of two subsets in the collection is a subset in the collection and that any set containing a subset in the collection is in the collection. |
–verb (used with object) | 8. | to remove by the action of a filter. |
| 9. | to act as a filter for; to slow or partially obstruct the passage of: The thick leaves filtered the sunlight. |
| 10. | to pass through or as through a filter. |
–verb (used without object) | 11. | to pass or slip through slowly, as through an obstruction or a filter: Enemy agents managed to filter into the embattled country. |
|
From DictionaryRelated topics from Britannica |
Related topics from Ask NewsWhy You Need an Air Filter
MyContentBuilder - Found Sep. 30, 2008
... why you need an air filter. An air filter takes ... with an air purifier. There are so many things that you can gain from an air purifier ...
|
|
Dangers of Air Purifiers Posted By : J Alan Rodgers
Article Dashboard.com - Found Sep. 28, 2008
... air purifier' is the negative ion generator. Air ionizers may be included as an add-on to filter based air cleaners. Often marketed as air...
|
|
Air Purifiers Help Allergy-Sufferers Breathe Easier During Ragweed ...
EMedia Wire - Found Sep. 24, 2008
... air cleaner to filter out ragweed pollen along with other airborne allergens such as mold spores, pet dander, and dust mites. 'An air purifier...
|
|
Stark Expello Air Dryer/Purifier available from Norman G Clark
Ferret.com.au - Found Sep. 21, 2008
... cleaning, long life filter. The filter automatically ... Drain Valve The Expello Pneumatic Drain Valve is fitted to each Stark Air ...
|
|
Air Purifiers Help Allergy-Sufferers Breathe Easier During Ragweed ...
PRWeb - Found Sep. 24, 2008
... air cleaner to filter out ragweed pollen along with other airborne allergens such as mold spores, pet dander, and dust mites. 'An air purifier...
|
|
Dangers of Air Purifiers
MyContentBuilder - Found Sep. 28, 2008
... air purifier' is the negative ion generator. Air ionizers may be included as an add-on to filter based air cleaners. Often marketed as air...
|
|
Dangers of Air Purifiers
Search Articles.net - Found Sep. 29, 2008
... air purifier' is the negative ion generator. Air ionizers may be included as an add-on to filter based air cleaners. Often marketed as air...
|
|
Air Purifiers: New Relief For MCS And Severe Allergy Sufferers
1888PressRelease - Found Aug. 19, 2008
... indoor air. “One of the biggest challenges for MCS sufferers is finding an air purifier that ... filter in their air purifier—a HEPA ...
|
|
Convergence In Air Purifier Technology
SkyNewswire.com - Found Sep. 1, 2008
... to HEPA, from activated carbon filter to anti-bacterial filter. However, what has been noticed over time is that no single air purifier is...
|
|
Consumer Report For In Home Air Purifiers Posted By : Ben Needles
ArticleAddict - Found Sep. 14, 2008
Factors that you need to consider when buying an air purifier are: Type of filter. Air filter protects the equipment, the furnishings, reduce...
|
|
|
Related topics from Technorati |
|
|
|
