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An automobile vehicle or mechanism; esp., a self-propelled vehicle suitable for use on a street or roadway. Automobiles are usually propelled by internal combustion engines (using volatile inflammable liquids, as gasoline or petrol, alcohol, naphtha, etc.), steam engines, or electric motors. The power of the driving mo…

usually having 14 spokes and 7 felloes; hence, a wheel of similar construction for use on automobiles, etc.

A system (devised by Henri Pieper, a Belgian) of driving automobiles employing a gasoline engine and an auxiliary reversible dynamo. When there is an excess of power the dynamo is driven by the engine so as to charge a small storage battery; when there is a deficiency of power the dynamo reverses and acts as an auxilia…

The use of automobiles, or the practices, methods, or the like, of those who use them. -- Au`to*mo"bil*ist, n.

One who manages the running of an automobile; esp., the paid operator of a motor vehicle.

Capable of being dismounted; -- said of a form of rim, for an automobile wheel, which can be removed with its tire from the wheel.

A variety of water-tube boiler, used chiefly in steam automobiles, consisting of a nest of strong tubes with very little water space, kept nearly red hot so that the water as it trickles drop by drop into the tubes is immediately flashed into steam and superheated.

A place for housing automobiles.

Narrowed at the forward end; -- said of an automobile frame when the side members are closer together at the forward end than at the rear.

and oil engines are chiefly of the stationary type. Gasoline engines are largely used for automobile vehicles, boats, etc. Most internal-combustion engines use the Otto (four-stroke) cycle, though many use the two-stroke cycle. They are almost universally trunk engines and single-acting. Because of the intense heat pro…

A steering gear, esp. for an automobile, not affected by the road wheels, as when they strike an obstacle side ways, but easily controlled by the hand wheel or steering lever.

A secondary shaft, as in a sliding change gear for an automobile; a cam shaft operated by a two-to-one gear in an internal- combustion engine. It is generally a shaft moving more or less independently of the other parts of a machine, as, in some marine engines, a shaft, driven by a small auxiliary engine, for independe…

An automobile body with seats and permanent top like a coupé, and with the top projecting over the driver and a projecting front; also, an automobile with such a body.

An automobile, locomobile, or locomotive designed to run and be steered on a street or roadway; esp., an automobile specially designed for passengers.

Act or recreation of riding in or driving a motor car or automobile.

To substitute motor-driven vehicles, or automobiles, for the horses and horse-drawn vehicles of (a fire department, city, etc.). - -Mo`tor*i*za"tion (#), n.

moothed or poliched by friction against each other. rumble seat, a seat in the rear of an automobile, outside the passenger cabin, which folds out from the body

air, a spring, or an explosive gas), attached to an internal- combustion engine, as on an automobile, and used as a means of starting the engine without cranking it by hand.

some specified axis. go for a spin take a spin, take a trip in a wheeled vehicle, usu. an automobile.

it, esp. when the resistance to flow is the least possible; as, a streamline body for an automobile or airship.