air

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For more information on air, visit Britannica.com.

A predominantly mechanical mixture of a variety of individual gases enveloping the terrestrial globe to form the Earth's atmosphere. In this sense air is one of the three basic components, air, water, and land (atmosphere, hydrosphere, and lithosphere), that interblend to form the life zone at the face of the Earth. See also Atmosphere.

Present a program on the airwaves, as to broadcast; for example, "The XYZ Comedy Hour will air at 6:00 p.m."

noun

1. The gaseous mixture enveloping the earth: atmosphere. See high/low, place.
2. The celestial regions as seen from the earth: firmament, heaven (often used in plural), sky. Archaic welkin. See high/low.
3. A natural movement or current of air: blast, blow, breeze, gust, wind, zephyr. Archaic gale. See breath/breathlessness.
4. A general impression produced by a predominant quality or characteristic: ambiance, atmosphere, aura, feel, feeling, mood, smell, tone. See be.
5. Behavior through which one reveals one's personality: address, bearing, demeanor, manner, mien, presence, style. Archaic port. See be, style/good style/bad style.
6. Artificial behavior adopted to impress others. affectation, affectedness, mannerism, pose, pretense. See honest/dishonest, true/false.
7. A pleasing succession of musical tones forming a usually brief aesthetic unit: aria, melody, strain, tune. Obsolete note. See sounds/pleasant sounds/unpleasant sounds/neutral sounds or silence.

verb

1. To expose to circulating air: aerate, ventilate, wind. See breath/breathlessness, open/close.
2. To utter publicly: express, put, state, vent, ventilate. Idioms: come out with. See show/hide, words.

In addition to the idiom beginning with air, also see breath of fresh air; castles in the air; clear the air; give someone the air; hot air; in the air; into (out of) thin air; nose in the air; off the air; put on airs; up in the air; walk on air; wash (air) one's dirty linen.

Definition: express opinion publicly
Antonyms: be quiet, suppress

v

Definition: put into the atmosphere; freshen
Antonyms: close up, hide

A song or melody.

(DOD, NATO) In artillery and naval gunfire support, a spotting, or an observation, by a spotter or an observer to indicate that a burst or group of bursts occurred before impact.

n.

A nutritious substance supplied by a bountiful Providence for the fattening of the poor.

The gaseous mixture that makes up the atmosphere. See also air sacs.

• a. capillaries — the minuscule vessels that connect the parabronchi in avian lungs, in which there are no blind-ended tubules.
• a. cell — the air-filled space between the internal and external shell membranes of a bird's egg.
• a. changes per hour — the standard measurements used to indicate the level of ventilation in a building especially with respect to removal of humidity, noxious gases and carbon dioxide.
• a. dried — said of feed that is dried in the open with only natural movement of air, e.g. conventional hay. Contains about 10% water.
• a. filtration — used as a means of reducing contamination inside a building, the efficiency depending on the pore size of the filter. A technique of some value when combined with temperature control in reducing the prevalence of pneumonia in calves in intensive veal producing units.
• a. flow rates — are important in assessing the suitability of a ventilating system in animal accommodation. Standards for suitable flow rates for different species and age groups for heating and cooling are available.
• a. gap technique — in radiography, a technique to reduce scatter of radiation by increasing the distance between the patient and the surface of the cassette.
• a. hunger — a distressing dyspnea affecting both inspiration and expiration which occurs in paroxysms; characteristic of diabetic acidosis and coma. Called also Kussmaul's respiration.
• a. movement — includes air changes voiding humidity and gases to the exterior plus movements within the space which facilitate cooling.
• a. passages — the combined air delivery system of the upper and lower respiratory tracts including nasal cavities, pharynx, laryngeal cavity, trachea, bronchi and bronchioles.
• a. pollution — contamination of the air with deleterious or esthetically unattractive chemical, physical or biological material. Usually reserved for pollutants generated by humans.
• a. pump — a small electrically driven appliance used to provide a constant stream of air bubbles to aquaria. The bubbles themselves add little oxygen to the water but the constant disturbance of the surface of the water does.
• a. quality — the determination of air flow rate, temperature, humidity, freedom from bacteria, solid particles, obnoxious effluvia and poisonous gases—especially hydrogen sulfide and methane from sullage pits under the animal accommodation.
• a. trapping — dilatation of alveoli without destruction of their walls.
• a. vesicles — extend radially from parabronchi in the lungs of birds and connect with air capillaries, in which gaseous exchange occurs with vascular capillaries.

The invisible, odorless, gaseous mixture that makes up the earth’s atmosphere.

• Aspects and Components of Appearance - air: manifestation of some personal quality or emotion in one’s appearance and bearing
• Types of Music and Composition - air: simple tune, melody, or song
• Television Programming and Institutions - air: (vb) broadcast
• Graphic Design - air: white space
• Modes and Manners of Expression - air: express publicly or aloud; ventilate
• Smells - air: (vb) ventilate by exposure to open air

Dansk (Danish)
n. - luft, atmosfære, luftrum
v. tr. - lufte, lufttørre, tørre
v. intr. - trække frisk luft, lufte sig

idioms:

• air bag    airbag, sikkerhedspude
• air base    flyverbase
• air bed    luftmadras
• air brake    trykluftbremse
• air conditioner    luftkonditioneringsanlæg, air condition
• air conditioning    luftkonditionering, air condition
• air drop    nedkastning
• air force    luftvåben
• air gun    luftpistol, luftgevær
• air lane    luftrute, luftkorridor
• air lock    luftprop, forstoppelse
• air minded    flyveinteresseret, flyveminded
• air power    styrke i luften
• air raid    luftangreb, bombeangreb
• air rifle    luftgevær
• air space    luftrum, luftterritorium
• air speed    flyvehastighed
• air strike    luftangreb, bombeangreb
• air terminal    flyterminal
• air tight    lufttæt
• air time    udsendelsesvarighed
• air to air    luft-til-luft
• air traffic control    flyveleder
• air wave    radiobølge
• by air    via fly, med luftpost
• in the air    fremme, oppe i tiden
• off the air    ikke under udsendelse
• on the air    være under udsendelse, være på
• pull something out of the air    hente noget ud af den blå luft
• take the air    gå udendørs, gå udenfor, trække frisk luft
• up in the air    være rasende, være fnysende hidsig

Nederlands (Dutch)
lucht, deuntje, ether, voorkomen, uiten, , luchten, uitzenden, lucht-

Français (French)
n. - air, ambiance, manière d'être, caractère, attitude, atmosphère, par avion, en l'air, dans les airs, (fig) en l'air, vague, en colère, en émoi, aux anges, à la radio, sur les ondes, à l'antenne, brise, léger souffle (arch), aspect, mine, (Mus) air
v. tr. - aérer, exhaler, faire connaître, mettre sur le tapis, (US) diffuser
v. intr. - s'aérer, être diffusé/télévisé

idioms:

• air bag    (Aut) air bag
• air base    base aérienne
• air bed    (GB) gonfler un matelas pneumatique
• air brake    frein à air comprimé, (Aviat) frein aérodynamique, aérofrein
• air conditioner    climatiseur
• air conditioning    climatisation
• air drop    parachuter, parachutage
• air force    armée de l'air, aviation militaire
• air gun    fusil/carabine à air comprimé
• air lane    couloir de navigation aérienne
• air lock    sas, bulle d'air
• air power    puissance aérienne
• air raid    raid aérien, attaque aérienne
• air rifle    carabine à air comprimé
• air space    espace aérien
• air speed    (Aviat) vitesse relative
• air strike    grève des avions
• air terminal    terminal d'aéroport
• air time    temps d'antenne
• air traffic control    contrôle du trafic aérien
• air traffic controller    contrôleur du trafic aérien
• air wave    onde, sur les ondes, ondes hertziennes
• by air    par avion
• in the air    se tramer qch, (être) de vagues projets, (tomber) à l'eau, (sauter) d'enthousiasme
• off the air    (US) quitter l'antenne
• on the air    à la radio, sur les ondes, à l'antenne
• pull something out of the air    faire qch à partir de rien
• take the air    prendre le frais
• up in the air    s'élever dans les airs, (jeter) qch en l'air

Deutsch (German)
n. - Luft, Melodie, Stimmung, Atmosphäre, Auftreten
v. - trocknen, lüften, senden, zur Schau tragen

idioms:

• air bag    Luftsack
• air base    Luftwaffenstützpunkt
• air bed    Luftmatratze
• air brake    Druckluftbremse, Luftbremse
• air conditioner    Klimaanlage
• air conditioning    Klimatisierung
• air drop    Abwurf vom Flugzeug
• air force    Luftwaffe
• air gun    Luftgewehr
• air lane    Luftstraße
• air lock    Luftblase, Luftschleuse
• air power    Schlagkraft der Luftwaffe
• air raid    Luftangriff
• air rifle    Luftgewehr
• air space    Luftraum
• air speed    Eigengeschwindigkeit
• air strike    Luftangriff
• air terminal    Terminal
• air time    Sendezeit
• air traffic control    Flugsicherung
• air traffic controller    Fluglotse
• air wave    Äther
• by air    mit dem Flugzeug, per Luftpost
• in the air    in der Luft liegen, in der Luft hängen
• off the air    nicht auf Sendung
• on the air    senden, gesendet werden
• pull something out of the air    sich etwas aus den Fingern saugen
• take the air    frische Luft schöpfen
• up in the air    in der Schwebe, ungewiß

Ελληνική (Greek)
n. - αέρας, ατμόσφαιρα, παρουσιαστικό, στιλ, ύφος, εμφάνιση, μελωδία, σκοπός, (μτφ.) αύρα, αίγλη
v. - αερίζω, εκθέτω δημοσίως, διατυπώνω, ανακοινώνω, εξωτερικεύω, επιδεικνύω, (καθομ.) βγάζω στον αέρα, εκπέμπω
adj. - αερο-, αεροπορικός

idioms:

• air conditioner    (μηχαν.) κλιματιστικό (μηχάνημα)
• air conditioning    (μηχαν.) κλιματισμός
• air drop    ρίψη με αλεξίπτωτο
• air force    πολεμική αεροπορία
• air gun    αεροβόλο (όπλο), (στρατ.) αντιαεροπορικό πυροβόλο
• air lane    αεροδιάδρομος
• air minded    μανιώδης με την αεροπορία
• air power    αεροπορική ισχύς, από αέρος ισχύς
• air raid    (στρατ.) αεροπορική επιδρομή
• air rifle    αεροβόλο τυφέκιο
• air space    αεροδιάστημα, εναέριος χώρος
• air speed    ταχύτητα πτήσης
• air strike    αεροπορική επιδρομή
• air terminal    αεροσταθμός, αεροδρομικός σταθμός
• air tight    αεροστεγής, ερμητικός, (καθομ.) απόλυτα ξεκαθαρισμένος
• air time    τηλεοπτικός χρόνος διαφημίσεων
• air to air    (βλήμα) αέρος-αέρος, (ανεφοδιασμός) κατά την πτήση
• air traffic control    έλεγχος εναέριας κυκλοφορίας
• air wave    ερτζιανό κύμα
• by air    αεροπορικώς
• in the air    φημολογούμενος, διάχυτος, σε εκκρεμότητα, αβέβαιος
• off the air    που δεν εκπέμπει, εκτός αέρος
• on the air    στον αέρα, που εκπέμπει
• pull something out of the air    κατεβάζω από το μυαλό μου, λέω στην τύχη
• take the air    βγαίνω να πάρω τον αέρα μου, βγαίνω για τζόγκινγκ
• up in the air    αβέβαιος, υπό αναθεώρηση

Italiano (Italian)
arieggiare, ventilare, disseccarsi, asciugare, radiotrasmettere, telediffondere, aria fresca, aria, atmosfera, atteggiamento, aereo

idioms:

• air bag    air bag
• air base    base aerea
• air brake    freno aerodinamico, freno ad aria compressa
• air conditioner    climatizzatore
• air conditioning    aria condizionata
• air drop    aerolancio
• air force    aeronautica militare, forze aeree
• air gun    arma ad aria compressa
• air lane    corridoio aereo
• air lock    camera stagna
• air power    potenza aerea
• air raid    incursione aerea
• air rifle    fucile ad aria compressa
• air space    spazio aereo
• air speed    velocità relativa dei velivoli
• air strike    incursione aerea
• air terminal    aerostazione
• air time    tempo di trasmissione
• air to air    aria-aria
• air traffic control    controllo del traffico aereo
• air wave    frequenza radio
• be in the air    essere in aria
• by air    per via aerea
• hang in the air    mettere in discussione
• into/out of thin air    nel/dal nulla
• on/off the air    in/fuori onda
• pull something out of the air    parlare a vanvera
• take the air    andarsene
• up in the air    incerto
• walk/float on air    essere su una nuvoletta rosa, essere al settimo cielo

Português (Portuguese)
n. - atmosfera (f), ar (m), aparência (f), melodia (f), brisa (f)
v. - arejar, publicar
adj. - aéreo

idioms:

• air bag    almofada (f) de ar (Autom.)
• air base    base (f) aérea (Mil.)
• air bed    leito (m) de ar (Téc.)
• air brake    freio (m) a ar (Téc.) (Autom.)
• air conditioner    condicionador (m) de ar (Téc.)
• air conditioning    ar (m) condicionado (Téc.)
• air drop    lançamento (m) de víveres, medicamentos, etc. de um avião (Mil.)
• air force    força (f) aérea (Mil.)
• air gun    arma (f) aérea (Mil.)
• air lane    rota (f) aérea (Aer.)
• air lock    câmara (f) de vácuo ou de compressão (Téc.)
• air minded    interessado em aviação
• air power    poderio (m) aéreo
• air raid    incursão (f) aérea (Mil.)
• air rifle    espingarda (f) de ar comprimido
• air space    espaço (m) aéreo (Aer.)
• air speed    velocidade (f) no ar (Aer.)
• air strike    greve (f) de empresa aérea
• air terminal    terminal (m) aéreo
• air tight    impermeável ao ar, hermético
• air time    tempo (m) de vôo
• air to air    ar-ar (Mil.)
• air traffic control    controle (m) de tráfego aéreo (Aer.)
• air wave    onda (f) de ar
• be in the air    estar no ar (coloq.)
• by air    via (f) aérea
• hang in the air    suspenso no ar
• in the air    no ar, indeciso, incerto
• into/out of thin air    para dentro/para fora do ar rarefeito
• on/off the air    no ar/fora do ar (Rádio)
• pull something out of the air    colocar alguma coisa fora do ar
• take the air    tomar ar, dar um passeio, sair, subir, partir (em avião)
• up in the air    incerto, irritado

Русский (Russian)
проветривать, осушать, высушивать, вентилировать, передавать в эфир, воздух, мелодия, вид, манера, атмосфера, воздушный

idioms:

• air bag    аварийная предохранительная подушка
• air base    авиабаза
• air bed    надувной матрас
• air brake    пневматический тормоз
• air conditioner    кондиционер
• air conditioning    кондиционирование
• air drop    прыжок с парашютом
• air force    военно-воздушные силы
• air gun    пневматическое ружье
• air lane    воздушная трасса
• air lock    воздушная пробка
• air minded    увлекающийся авиацией
• air power    военно-воздушная мощь
• air raid    воздушный налет
• air rifle    пневматическое ружье
• air space    воздушное пространство
• air speed    передняя скорость самолета относительно встречного потока воздуха
• air strike    военно-воздушный удар
• air terminal    аэропорт
• air tight    не пропускающий воздух
• air time    время в эфире, срок передачи
• air to air    с одного самолета на другой
• air traffic control    диспетчерская служба при аэродроме
• air wave    воздушная волна
• be in the air    быть нерешенным, неокончательным
• by air    самолетом
• hang in the air    быть нерешенным
• in the air    еще не решено
• into/out of thin air    в никуда, из никуда
• on/off the air    в эфире, выйти из эфира, начало/конец передачи
• pull something out of the air    высосать из пальца
• take the air    выйти подышать воздухом
• up in the air    нерешенный, возбужденный

Español (Spanish)
n. - aire de campo, melodía, tonada, ambiente, actitud, postura, atmósfera, aéreo, de aire, del aire, atmosférico
v. tr. - tender, airear, orear, ventilar, emitir, difundir, transmitir, secar
v. intr. - poner a secar, tomar el aire, ventilarse

idioms:

• air bag    bolsa de aire contra accidentes
• air base    base aérea
• air bed    cama o colchón de aire
• air brake    freno neumático
• air conditioner    acondicionador de aire
• air conditioning    acondicionamiento de aire, climatización
• air drop    suministro de (carga o personal) por medio de paracaídas
• air force    fuerza aérea
• air gun    pistola de aire comprimido
• air lane    ruta aérea
• air lock    esclusa neumática, compartimiento estanco, antecámara de compresión, esclusa de aire, burbuja de aire (en un tubo)
• air power    potencia aérea
• air raid    ataque aéreo
• air rifle    rifle de aire comprimido
• air space    espacio aéreo
• air speed    velocidad aerodinámica
• air strike    ataque aéreo
• air terminal    terminal aérea
• air time    tiempo en antena
• air traffic control    control de tráfico aéreo
• air traffic controller    controlador de tráfico aéreo
• air wave    onda aérea, canal de transmisión
• by air    en avión, por avión
• in the air    al aire
• off the air    no transmitiendo
• on the air    transmitiendo, en el aire
• pull something out of the air    "pescar" algo en el aire
• take the air    dárselas de
• up in the air    en el aire, incierto, no resuelto

Svenska (Swedish)
n. - luft, atmosfär, utseende, min
v. - vädra, ventilera, torka
adj. - luft-

中文（简体）(Chinese (Simplified))
空气, 空中, 天空, 大气, 样子, 神态, 晾, 发表, 使通风, 炫耀, 通风

idioms:

• air bag    安全气袋
• air base    空军基地
• air bed    气垫, 气床
• air brake    空气制动器, 气闸
• air conditioner    空气调节装置, 冷气机, 空调设备
• air conditioning    空气调节装置
• air drop    空投
• air force    空军, 美国空军
• air gun    气枪, 空气枪
• air lane    航空路线
• air lock    阻隔室, 气塞
• air minded    热爱航空的
• air power    空军力量
• air raid    空袭
• air rifle    空气枪
• air space    上空, 领空, 空间
• air speed    对气速度
• air strike    空中打击
• air terminal    机场大厦
• air tight    密闭的, 无懈可击的
• air time    电影或电视节目播出的时间
• air to air    空对空地
• air traffic control    航空管制
• air wave    广播之电波
• by air    搭乘飞机, 以航空邮寄
• in the air    在空中
• off the air    停止广播
• on the air    在广播, 广播中
• pull something out of the air    随手制造出..., 随手可得
• take the air    到户外
• up in the air    悬而未决

中文（繁體）(Chinese (Traditional))
n. - 空氣, 空中, 天空, 大氣, 樣子, 神態
v. tr. - 晾, 發表, 使通風, 炫耀
v. intr. - 晾, 通風

idioms:

• air bag    安全氣袋
• air base    空軍基地
• air bed    氣墊, 氣床
• air brake    空氣制動器, 氣閘
• air conditioner    空氣調節裝置, 冷氣機, 空調設備
• air conditioning    空氣調節裝置
• air drop    空投
• air force    空軍, 美國空軍
• air gun    氣槍, 空氣槍
• air lane    航空路線
• air lock    阻隔室, 氣塞
• air minded    熱愛航空的
• air power    空軍力量
• air raid    空襲
• air rifle    空氣槍
• air space    上空, 領空, 空間
• air speed    對氣速度
• air strike    空中打擊
• air terminal    機場大廈
• air tight    密閉的, 無懈可擊的
• air time    電影或電視節目播出的時間
• air to air    空對空地
• air traffic control    航空管制
• air wave    廣播之電波
• by air    搭乘飛機, 以航空郵寄
• in the air    在空中
• off the air    停止廣播
• on the air    在廣播, 廣播中
• pull something out of the air    隨手製造出..., 隨手可得
• take the air    到戶外
• up in the air    懸而未決

한국어 (Korean)
n. - 공기, 선율, 산들바람
v. tr. - 바람에 쏘이다, 바람을 넣다, 자랑 삼아 보이다, 방송하다, (여자를)차버리다
v. intr. - 마르다, 방송하다

idioms:

• by air    비행기로, 무전으로
• in the air    공중에, 막연하여, 성나서
• take the air    외출하다, 방송을 개시하다, 이륙하다
• up in the air    막연하여, 성나서

日本語 (Japanese)
n. - 空気, 空中, 気取った態度, 様子, 雰囲気
v. - 空気に当てて乾かす, 換気をする, 吹聴する, 乾かす, 風を通す

idioms:

• air bag    エアバッグ
• air base    空軍基地
• air bed    エアベッド
• air brake    エアブレーキ
• air conditioner    エアコン
• air conditioning    空気調和
• air drop    空中投下
• air force    空軍
• air gun    空気銃
• air hostess    エアホステス, スチュワーデス
• air lane    航空路
• air lock    エアロック, 減圧室
• air minded    飛行機旅行好きの
• air power    空軍力
• air raid    空襲
• air rifle    空気銃
• air space    エアースペース, 空気層
• air speed    気流速度, 対気速度
• air strike    航空機からの攻撃, 空襲
• air terminal    エアターミナル
• air tight    エアータイト, 気密
• air time    番組開始時間, 放送時間
• air to air    空対空の, 空中で
• air traffic control    航空交通管制
• air wave    放送電波
• be in the air    空中に, 広まって, 未決定で
• by air    飛行機で, 航空便で
• castles in the air    空想
• in the air    空中に, 広まって, 未決定で
• on/off the air    放送中で
• take the air    外気にあたる, 放送を始める, 立ち去る
• up in the air    空中に, 未決定で

العربيه (Arabic)
‏(الاسم) نسيم, فراغ, أثير, هواء مضغوط, جو, حاله سائده (فعل) يعرض للهواء, يعرب عن, يذيع, منتشر, ذائع (صفه) ألهواء الذي ينفخ في إطارات ألمركبات‏

עברית (Hebrew)
n. - ‮אוויר, רוח, אווירה, הופעה, מנגינה, מראה, התנהגותו של אדם בייחוד בטוחה בעצמה או יומרנית, לחן, רושם מיוחד או אופייני, רוח קלה‬
v. tr. - ‮אוורר, ייבש, נפנף, הבליט‬
v. intr. - ‮יצא להתאוורר‬

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