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Arkansas, state, United States
(Encyclopedia)CE5 Arkansas ärˈkənsôˌ, ärkănˈzŭs [key], state in the south-central United States. It is bordered by Tennessee and Mississippi, across the Mississippi River (E), Louisiana (S), Texas and O...Oregon, state, United States
(Encyclopedia)CE5 Oregon ŏrˈĭgən, –gŏn [key], state in the Pacific Northwest of the United States. It is bordered by Washington, largely across the Columbia River (N), Idaho, partially across the Snake Ri...air transportation
(Encyclopedia)air transportation: see aviation. ...liquid air
(Encyclopedia)liquid air, ordinary air that has been liquefied by compression and cooling to extremely low temperatures (see liquefaction). Its commercial preparation involves purification by washing to remove solu...lock, air
(Encyclopedia)lock, air: see air lock.plein-air
(Encyclopedia)plein-air plān-ârˈ, Fr. plĕn-ĕrˈ [key] [Fr.,=open-air], term used for paintings or drawings made directly from nature and infused with a feeling of the open air. Painting outdoors is a relativel...air bag
(Encyclopedia)air bag: see automobile.air bladder
(Encyclopedia)air bladder, in fish: see swim bladder. ...air brake
(Encyclopedia)air brake: see brake.air cargo
(Encyclopedia)air cargo: see aviation.Browse by Subject
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