APage 126
- English Word Air brake Definition A railway brake operated by condensed air.
- English Word Air cell Definition A cavity in the cellular tissue of plants, containing air only.
- English Word Air cell Definition A receptacle of air in various parts of the system; as, a cell or minute cavity in the walls of the air tubes of the lungs; the air sac of birds; a dilatation of the air vessels in insects.
- English Word Air chamber Definition A chamber or cavity filled with air, in an animal or plant.
- English Word Air chamber Definition A cavity containing air to act as a spring for equalizing the flow of a liquid in a pump or other hydraulic machine.
- English Word Air cock Definition A faucet to allow escape of air.
- English Word Air drill Definition A drill driven by the elastic pressure of condensed air; a pneumatic drill.
- English Word Air engine Definition An engine driven by heated or by compressed air.
- English Word Air gas Definition See under Gas.
- English Word Air gun Definition A kind of gun in which the elastic force of condensed air is used to discharge the ball. The air is powerfully compressed into a reservoir attached to the gun, by a condensing pump, and is controlled by a valve actuated by the trigger.
- English Word Air hole Definition A hole to admit or discharge air; specifically, a spot in the ice not frozen over.
- English Word Air hole Definition A fault in a casting, produced by a bubble of air; a blowhole.
- English Word Air jacket Definition A jacket having air-tight cells, or cavities which can be filled with air, to render persons buoyant in swimming.
- English Word Air level Definition Spirit level. See Level.
- English Word Air pipe Definition A pipe for the passage of air; esp. a ventilating pipe.
- English Word Air plant Definition A plant deriving its sustenance from the air alone; an aerophyte.
- English Word Air poise Definition An instrument to measure the weight of air.
- English Word Air pump Definition 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.
- English Word Air pump Definition A pump used to exhaust from a condenser the condensed steam, the water used for condensing, and any commingled air.
- English Word Air sac Definition 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.
- English Word Air shaft Definition A passage, usually vertical, for admitting fresh air into a mine or a tunnel.
- English Word Air stove Definition A stove for heating a current of air which is directed against its surface by means of pipes, and then distributed through a building.
- English Word Air vessel Definition 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.
- English Word Air-built Definition Erected in the air; having no solid foundation; chimerical; as, an air-built castle.
- English Word Air-drawn Definition Drawn in air; imaginary.
- English Word Air-slacked Definition Slacked, or pulverized, by exposure to the air; as, air-slacked lime.
- English Word Air-tight Definition So tight as to be impermeable to air; as, an air-tight cylinder.
- English Word Air-tight Definition A stove the draft of which can be almost entirely shut off.
- English Word Aired Definition of Air
- English Word Airer Definition One who exposes to the air.