Vocabulary : Air poise to Aired

Air poise : An instrument to measure the weight of air.
Air pump : A kind of pump for exhausting air from a vessel or closed space; also, a pump to condense air or force it into a closed space. ;; A pump used to exhaust from a condenser the condensed steam, the water used for condensing, and any commingled air.
Air sac : One of the spaces in different parts of the bodies of birds, which are filled with air and connected with the air passages of the lungs; an air cell.
Air shaft : A passage, usually vertical, for admitting fresh air into a mine or a tunnel.
Air stove : A stove for heating a current of air which is directed against its surface by means of pipes, and then distributed through a building.

Air vessel : A vessel, cell, duct, or tube containing or conducting air; as the air vessels of insects, birds, plants, etc.; the air vessel of a pump, engine, etc. For the latter, see Air chamber. The air vessels of insects are called tracheae, of plants spiral vessels.
Air-built : Erected in the air; having no solid foundation; chimerical; as, an air-built castle.
Aircraft : Any device, as a balloon, aeroplane, etc., for floating in, or flying through, the air.
Air-drawn : Drawn in air; imaginary.
Aired : of Air

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