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air

Definitions

  • "The bottle stood in the air as though hanging there."
    "The bottle stood in the air as though hanging there."
  • WordNet 3.6
    • v air expose to cool or cold air so as to cool or freshen "air the old winter clothes","air out the smoke-filled rooms"
    • v air expose to warm or heated air, so as to dry "Air linen"
    • v air make public "She aired her opinions on welfare"
    • v air broadcast over the airwaves, as in radio or television "We cannot air this X-rated song"
    • v air be broadcast "This show will air Saturdays at 2 P.M."
    • v air expose to fresh air "aerate your old sneakers"
    • n air travel via aircraft "air travel involves too much waiting in airports","if you've time to spare go by air"
    • n air a distinctive but intangible quality surrounding a person or thing "an air of mystery","the house had a neglected air","an atmosphere of defeat pervaded the candidate's headquarters","the place had an aura of romance"
    • n air medium for radio and television broadcasting "the program was on the air from 9 til midnight","the president used the airwaves to take his message to the people"
    • n air a succession of notes forming a distinctive sequence "she was humming an air from Beethoven"
    • n air the mass of air surrounding the Earth "there was great heat as the comet entered the atmosphere","it was exposed to the air"
    • n air the region above the ground "her hand stopped in mid air","he threw the ball into the air"
    • n air a slight wind (usually refreshing) "the breeze was cooled by the lake","as he waited he could feel the air on his neck"
    • n air a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of "air pollution","a smell of chemicals in the air","open a window and let in some air","I need some fresh air"
    • n air once thought to be one of four elements composing the universe (Empedocles)
    • ***

Additional illustrations & photos:

Jamestown exploration trenches of 1955 from the air. Landmarks are the “old cypress” in the river, upper left, the tercentenary monument, and the standing ruin of the 18th-century Ambler house Jamestown exploration trenches of 1955 from the air. Landmarks are the “old cypress” in the river, upper left, the...
Section through a typical Moist-air Dry Kiln Section through a typical Moist-air Dry Kiln
Elise is carried through the air by the swans Elise is carried through the air by the swans
You 'ave been losin' your 'air! You 'ave been losin' your 'air!
On his back, with all his legs in the air On his back, with all his legs in the air
Self-intensifying process used in liquefying air Self-intensifying process used in liquefying air
Liquid air production Liquid air production
Experiments with liquid air Experiments with liquid air

Webster's Revised Unabridged Dictionary
  • Interesting fact: Before air conditioning was invented, white cotton slipcovers were put on furniture to keep the air cool.
    • Air (Mus) A musical idea, or motive, rhythmically developed in consecutive single tones, so as to form a symmetrical and balanced whole, which may be sung by a single voice to the stanzas of a hymn or song, or even to plain prose, or played upon an instrument; a melody; a tune; an aria.
    • Air A particular state of the atmosphere, as respects heat, cold, moisture, etc., or as affecting the sensations; as, a smoky air, a damp air, the morning air, etc.
    • Air Air in motion; a light breeze; a gentle wind. "Let vernal airs through trembling osiers play."
    • Air An artificial or affected manner; show of pride or vanity; haughtiness; as, it is said of a person, he puts on airs .
    • Air Any aëriform body; a gas; as, oxygen was formerly called vital air .
    • Air (Paint) Carriage; attitude; action; movement; as, the head of that portrait has a good air .
    • Air (Mus) In harmonized chorals, psalmody, part songs, etc., the part which bears the tune or melody -- in modern harmony usually the upper part -- is sometimes called the air.
    • Air Intelligence; information.
    • Air Odoriferous or contaminated air.
    • Air Peculiar appearance; apparent character; semblance; manner; style. "It was communicated with the air of a secret."
    • Air Symbolically: Something unsubstantial, light, or volatile. "Charm ache with air .""He was still all air and fire."
    • Air That which surrounds and influences. "The keen, the wholesome air of poverty."
    • Air (Man) The artificial motion or carriage of a horse.
    • Air The fluid which we breathe, and which surrounds the earth; the atmosphere. It is invisible, inodorous, insipid, transparent, compressible, elastic, and ponderable.
    • Air The peculiar look, appearance, and bearing of a person; mien; demeanor; as, the air of a youth; a heavy air; a lofty air. "His very air ."
    • Air (Paint) The representation or reproduction of the effect of the atmospheric medium through which every object in nature is viewed.
    • Air To expose for the sake of public notice; to display ostentatiously; as, to air one's opinion. "Airing a snowy hand and signet gem."
    • Air To expose to heat, for the purpose of expelling dampness, or of warming; as, to air linen; to air liquors.
    • Air To expose to the air for the purpose of cooling, refreshing, or purifying; to ventilate; as, to air a room. "It were good wisdom . . . that the jail were aired .""Were you but riding forth to air yourself."
    • Air Utterance abroad; publicity; vent. "You gave it air before me."
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: The Flintstones cartoon was the first thirty-minute cartoon to be aired during prime time
    • n air The respirable fluid which surrounds the earth and forms its atmosphere. It is inodorous, invisible, insipid, colorless, elastic, possessed of gravity, easily moved, rarefied, and condensed, essential to respiration and combustion, and is the medium of sound. It is composed by volume of 21 parts of oxygen and 79 of nitrogen; by weight, of 23 of oxygen and 77 of nitrogen. These gases are not chemically united, but are mixed mechanically. Air contains also of carbon dioxid, some aqueous vapor, and small varying amounts of ammonia, nitric acid, ozone, and organic matter. The specific gravity of the air at 32° F. is to that of water as 1 to 773, and 100 cubic inches at mean temperature and pressure weigh 30½ grains. When air is inhaled into the lungs oxygen is separated from the nitrogen, and, uniting with the carbon in the blood, is expelled as carbon dioxid; it thus serves to purify the blood and furnishes the body with heat. By the ancient philosophers air was considered one of the four elements of all things, and this view was maintained until comparatively recent times.
    • n air In old chemistry, gas: still in use in this sense in foundries and machine-shops, especially for such gases as are mingled with air or formed from it, as the gases from a furnace. In distinction from this use, common air is often called atmospheric air.
    • n air A movement of the atmosphere; a light breeze: usually in the plural.
    • n air Utterance abroad; publication; publicity.
    • n air Hence Intelligence; information; advice.
    • n air The graphic representation, as in a painting, of the effect of the atmospheric medium through which natural objects are viewed.
    • n air In the Gr. Ch., a very thin veil spread over both the paten and the chalice, in addition to the paten and chalice veils. Also called nephele.
    • air To expose to the air; give access to the open air; ventilate: as, to air clothes; to air a room.
    • air Hence To expose ostentatiously; display; bring into public notice: as, to air one's views.
    • air To expose to heat; warm: as, to air linen; to air liquors. reflexive To expose (one's self) to the air.
    • air intransitive To take the air.
    • n air The peculiar look, appearance, and bearing of a person: as, the air of a youth; a graceful air; a lofty air.
    • n air The general character or complexion of anything; appearance; semblance.
    • n air plural Affected manner; manifestation of pride or vanity; assumed haughtiness: chiefly in the phrases to put on airs, to give one's self airs.
    • n air plural The artificial motions or carriage of a horse.
    • n air In painting, that which expresses action, manner, gesture, or attitude.
    • n air In music: A rhythmical melody; a tune consisting of single successive notes divided into groups which, in duration, have some definite ratio to one another, recognizable by the ear. A song or piece of poetry for singing: as, the air, “Sound an Alarm.” The soprano part in a harmonized piece of music. Also called aria. Any piece of poetry.
    • air To set to music.
    • n air Same as airy, aery.
    • air Early.
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: The 1960 Summer Olympics were the first Olympics to be aired on television by CBS
    • n Air ār the fluid we breathe: the atmosphere: any special condition of atmosphere, as in 'the night-air,' 'to take the air:' a light breeze: publicity: the bearing of a person: outward appearance, manner, look: an assumed or affected manner: :
    • v.t Air to expose to the air: to dry: to expose to warm air:
    • n Air ār (mus.) a rhythmical melody: a song, also specially a sprightly song: the soprano part in a harmonised composition, being that which gives it its character
    • n Air ār (pl.) affectation
    • v.t Air (obs.) to take an airing
    • ***

Quotations

  • Margaret Thatcher
    Margaret%20Thatcher
    “I seem to smell the stench of appeasement in the air.”
  • Alexander Chase
    Alexander Chase
    “Lovers of air travel find it exhilarating to hang poised between the illusion of immortality and the fact of death.”
  • William Shakespeare
    William%20Shakespeare
    “I told you, sir, they were red-hot with drinking; so full of valor that they smote the air, for breathing in their faces, beat the ground for kissing of their feet.”
  • A. E. Housman
    A. E. Housman
    “In every American there is an air of incorrigible innocence, which seems to conceal a diabolical cunning.”
  • Christopher Marlowe
    Christopher%20Marlowe
    “O, thou art fairer than the evening air clad in the beauty of a thousand stars.”
  • Pablo Neruda
    Pablo Neruda
    “A bibliophile of little means is likely to suffer often. Books don't slip from his hands but fly past him through the air, high as birds, high as prices.”

Idioms

Air your dirty laundry in public - If you air your dirty laundry in public, you reveal aspects of your private life that should really remain private, by telling a secret, arguing in public, etc.
***
Castles in the air - Plans that are impractical and will never work out are castles in the air.
***
Dead air - When there is a period of total silence, there is dead air.
***
Full of hot air - Someone who is full of hot air talks a lot of rubbish.
***
Hot air - Language that is full of words but means little or nothing is hot air.
***
Into thin air - If something vanishes or disappears without trace, it vanishes into thin air; no-one knows where it has gone.
***
Nose in the air - If someone has their nose in the air, they behave in a way that is meant to show that they are superior to others.
***
Put on airs - If someone puts on airs, they pretend to be grander and more important than they really are.
***
Up in the air - If a matter is up in the air, no decision has been made and there is uncertainty about it.
***
Walking on air - If you are walking on air, you are so happy that you feel as if you could float.
***

Etymology

Webster's Revised Unabridged Dictionary
OE. air, eir, F. air, L. aër, fr. Gr. 'ah`r, air, mist, for 'aϝhr, fr. root 'aϝ to blow, breathe, probably akin to E. wind,. In sense 10 the French has taking a meaning fr. It. aria, atmosphere, air, fr. the same Latin word; and in senses 11, 12, 13 the French meaning is either fr. L. aria, or due to confusion with F. aire, in an older sense of origin, descent. Cf. Aëry Debonair Malaria Wind

Usage

In literature:

Clearly, then, he argued, air once breathed is not suitable for respiration, unless much diluted with pure air.
"Rural Hygiene" by Henry N. Ogden
A grey cloud of snow, thin as yet, but plainly perceptible, was in the air.
"The Hound From The North" by Ridgwell Cullum
The freshly pasted plates are now allowed to dry in the air, or are dried by blowing air over them.
"The Automobile Storage Battery" by O. A. Witte
Neither nitrous air, nor common air saturated with nitrous air, differ in specific gravity from common air.
"Experiments and Observations on Different Kinds of Air" by Joseph Priestley
From the recess beyond there came a breath of air, foul with the musty odor of decayed vegetation, dank as the air of a tomb.
"Astounding Stories of Super-Science, August 1930" by Various
Since a quart of warm air weighs less than a quart of cold air, the warm air will rise.
"Common Science" by Carleton W. Washburne
The icy air through his hose changed to air of normal temperature.
"Astounding Stories of Super-Science, June, 1930" by Various
Dr. Bird sniffed the air.
"Astounding Stories of Super-Science, October, 1930" by Various
Nothing happened apparently, except for a cloudy appearance of the air at the open end of the laboratory.
"Astounding Stories of Super-Science, November, 1930" by Various
Yet, before he had ended his speech, Small Profit was rising in the air.
"The Chinese Fairy Book" by Various
Each joint meant the coupling of the air-pipe as well.
"Two Thousand Miles Below" by Charles Willard Diffin
By this time it was known that hydrogen gas, or "inflammable air" as it was then called, was lighter than air.
"Aircraft and Submarines" by Willis J. Abbot
As one man the crew adjusted their air-controls, bulging the sea-suits with air.
"Astounding Stories, February, 1931" by Various
The explosion seemed to cause a vacuum in the air for some distance around, for try as I would I could not get my breath.
"How I Filmed the War" by Lieut. Geoffrey H. Malins
The heavy air of ecclesiasticism still hangs over her.
"Carmen Ariza" by Charles Francis Stocking
Double doors and lobbies must be employed to prevent the transmission of the heated air to rooms where its presence would be injurious.
"The Turkish Bath" by Robert Owen Allsop
After sitting for some time gazing at the fire with a preoccupied air, he suddenly turned his head.
"Shirley" by Charlotte Brontë
Even mechanical weather-control was wanting; one must open the windows, Harkness found, to get cooling air.
"Astounding Stories, May, 1931" by Various
In the one instance, they breathe pure air; in the other, usually, a confined, impure air.
"A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition)" by Calvin Cutter
Eric walked with a firm and erect step, taking in full draughts of the fresh morning air.
"Villa Eden:" by Berthold Auerbach
***

In poetry:

And this were more
A thing unseen
Than falling screen
Could make of air.
"One Ran Before" by Yvor Winters
Let me be a lyric
Tenuous as air,
Or an a la Viereck
Passion song to hair;
"The Poem Speaks" by Franklin Pierce Adams
The air was muggy
And heavy with heat,
The people all sizzled
Like frying meat.
"The Ballad Of Joe Meek" by Sterling A Brown
Comforted
a solace of ripe plums
seeming to fill the air
They taste good to her
"To A Poor Old Woman" by William Carlos Williams
Wherever she is there is sun
And time and a sweet air:
Peace is there,
Work done.
"Poem in Prose" by Archibald MacLeish
Full of sweet scents,
And whispering air
Which sayeth softly:
"We spread no snare;
"Spring Quiet" by Christina Georgina Rossetti

In news:

Matthew Klam's "Air-to-Air Kill" mistakenly states that "Mongo's (Lieut.
Matthew Klam's "Air-to-Air Kill" mistakenly states that Mongo's (Lieut.
The Senate confirmed three generals to new positions within Air Force Materiel Command, including Maj. Gen Andrew E Busch, commander of the Ogden Air Logistics Center at Hill Air Force Base.
The mission of the US Air Force is to fly, fight and win in air, space and cyberspace.
Air bubbles covering the vessel's bottom, like a carpet of air.
The comment period was delayed from August 14 to October 12 on proposed changes to US Customs requirements for air carriers, including Part 135 air-taxi operators, to transmit passenger manifests on international flights.
Cal Jet Air, a charter-style US air service operated by Boise, Idaho-based XTRA Airways, announced Tuesday that it will offer service between San Antonio and Mazatlán, Mexico, for three months.
Medi 1 Radio in Morocco is replacing its existing CartStack on-air system for broadcast operations with Netia Air-DDO, the broadcasting module of the Radio-Assist 8 automation system.
Air Force Airman Cole C Dooley graduated from basic military training at Lackland Air Force Base, San Antonio, Texas.
Air Force Airman James T Grotjan graduated from basic military training at Lackland Air Force Base in San Antonio.
Air Force Airman Neil P Sullivan graduated from basic military training at Lackland Air Force Base in San Antonio.
Air Force Airman Elisha A Nichols has graduated from basic military training at Lackland Air Force Base, San Antonio, Texas.
Air Force Airman Joshua L Brock has graduated from basic military training at Lackland Air Force Base, San Antonio, Texas.
Air Force Airman 1st Class Kyle D Leigh has graduated from basic military training at Lackland Air Force Base in San Antonio, Texas.
Air Force Airman 1st Class Zachery B Sewell graduated from basic military training at Lackland Air Force Base, San Antonio, Texas.
***

In science:

The CsI(Tl) target will be placed inside a electrically-shielded and air-tight box made of copper sheet.
A CsI(Tl) Scintillating Crystal Detector for the Studies of Low Energy Neutrino Interactions
Flow in porous media is obviously one example of such a situation but others include, a mixture of hot and cold fluid, a two fluid mixture (oil and water), a mixture of snow and air, or water and sediment, and a turbulent fluid.
Existence and homogenization of the Rayleigh-B\'enard problem
EX-198 of Buenos Aires University, Grant No. 12217/1 of Fundaci´on Antorchas, and also a Grant from the Foundation pour la Recherche Foundamentale OLAM.
Perturbative method for generalized spectral decompositions
Assume that N air blocks of identical thickness a are placed regularly or randomly in a water duct with length L measured from the left boundary of the duct (LB).
Localization of acoustic waves in 1D random liquid media
Transmitted waves propagate through the N air layers and travel to the right infinity.
Localization of acoustic waves in 1D random liquid media
Similarly, kg and cg represent the wave number and sound speed in the air blocks respectively.
Localization of acoustic waves in 1D random liquid media
When the air-fraction is reduced, however, the band gaps gradually disappear, as shown by Fig. 1(d).
Localization of acoustic waves in 1D random liquid media
First consider the case with the periodic placement of air blocks (with spatial period d, water layer thickness b).
Localization of acoustic waves in 1D random liquid media
The band structures for four air-fractions are shown in Fig. 1.
Localization of acoustic waves in 1D random liquid media
Band structures of an infinite periodic system for four different air fractions (β ).
Localization of acoustic waves in 1D random liquid media
At frequencies for which the wavelength is smaller than the averaged distance between air blocks, the transmission is significantly reduced by increasing air fraction.
Localization of acoustic waves in 1D random liquid media
Transmission versus khbi/π for various air fractions at ∆ = 0.3 (a) and different disorders (b).
Localization of acoustic waves in 1D random liquid media
Fig. 2(b) illustrates the effect of the randomness ∆ on transmission for a given air-fraction.
Localization of acoustic waves in 1D random liquid media
Fig. 2 shows that the localization behaviour depends crucially on whether the wavelength (λ) is greater than the average distance between air blocks.
Localization of acoustic waves in 1D random liquid media
Typical results for the spatial distribution of the energy and the phase behaviour for the given disorder and air fraction are shown in Fig. 4.
Localization of acoustic waves in 1D random liquid media
***