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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
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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 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. |
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| 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. | (of 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. | | c. | to begin broadcasting. | | | 30. | up in
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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 g
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et up in the air over a simple mistake. | | | 31. | walk or tread on air, to feel very happy; be elated. | |
From Dictionary
Cleaner Definition–noun | 1. | a person who cleans, esp. one whose regular occupation is cleaning offices, buildings, equipment, etc. | | 2. | an apparatus or machine for cleaning, as a vacuum cleaner. | | 3. | a preparation for use in cleaning, as a detergent or chemical bleach. | | 4. | the owner or operator of a dry-cleaning establishment: The cleaner said he couldn't get the spot off my coat. | | 5. | Usually, cleaners. a dry-cleaning establishment: My suit is at the cleaners. | —Idiom | 6. | take to the cleaners. Slang. to cause to lose all or a great deal of one's money or personal property, as through gambling or a bad investment: He got taken to the cleaners in the poker game last night. | |
From Dictionary
Replacement Definition–noun | 2. | a person or thing that replaces another: summer replacements for vacationing staff; a replacement for a broken dish. | | 3. | Military. a sailor, soldier, or airman assigned to fill a vacancy in a military unit. | | 4. | Also called metasomatism. Geology. the process of practically simultaneous removal and deposition by which a new mineral grows in the body of an old one. | |
From Dictionary
Filter 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. | Mathematics. 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
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; 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 Dictionary
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